19553820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 67060224

約数和(自身を除く): 47506404

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 43, 44, 52, 53, 55, 60, 65, 66, 78, 86, 106, 110, 129, 130, 132, 143, 156, 159, 165, 172, 195, 212, 215, 220, 258, 260, 265, 286, 318, 330, 390, 429, 430, 473, 516, 530, 559, 572, 583, 636, 645, 660, 689, 715, 780, 795, 858, 860, 946, 1060, 1118, 1166, 1290, 1378, 1419, 1430, 1590, 1677, 1716, 1749, 1892, 2067, 2145, 2236, 2279, 2332, 2365, 2580, 2756, 2795, 2838, 2860, 2915, 3180, 3354, 3445, 3498, 4134, 4290, 4558, 4730, 5590, 5676, 5830, 6149, 6708, 6837, 6890, 6996, 7095, 7579, 8268, 8385, 8580, 8745, 9116, 9460, 10335, 11180, 11395, 11660, 12298, 13674, 13780, 14190, 15158, 16770, 17490, 18447, 20670, 22737, 22790, 24596, 25069, 27348, 28380, 29627, 30316, 30745, 33540, 34185, 34980, 36894, 37895, 41340, 45474, 45580, 50138, 59254, 61490, 68370, 73788, 75207, 75790, 88881, 90948, 92235, 100276, 113685, 118508, 122980, 125345, 136740, 148135, 150414, 151580, 177762, 184470, 227370, 250690, 296270, 300828, 325897, 355524, 368940, 376035, 444405, 454740, 501380, 592540, 651794, 752070, 888810, 977691, 1303588, 1504140, 1629485, 1777620, 1955382, 3258970, 3910764, 4888455, 6517940, 9776910, 19553820]

約数ペア:

[(1, 19553820), (2, 9776910), (3, 6517940), (4, 4888455), (5, 3910764), (6, 3258970), (10, 1955382), (11, 1777620), (12, 1629485), (13, 1504140), (15, 1303588), (20, 977691), (22, 888810), (26, 752070), (30, 651794), (33, 592540), (39, 501380), (43, 454740), (44, 444405), (52, 376035), (53, 368940), (55, 355524), (60, 325897), (65, 300828), (66, 296270), (78, 250690), (86, 227370), (106, 184470), (110, 177762), (129, 151580), (130, 150414), (132, 148135), (143, 136740), (156, 125345), (159, 122980), (165, 118508), (172, 113685), (195, 100276), (212, 92235), (215, 90948), (220, 88881), (258, 75790), (260, 75207), (265, 73788), (286, 68370), (318, 61490), (330, 59254), (390, 50138), (429, 45580), (430, 45474), (473, 41340), (516, 37895), (530, 36894), (559, 34980), (572, 34185), (583, 33540), (636, 30745), (645, 30316), (660, 29627), (689, 28380), (715, 27348), (780, 25069), (795, 24596), (858, 22790), (860, 22737), (946, 20670), (1060, 18447), (1118, 17490), (1166, 16770), (1290, 15158), (1378, 14190), (1419, 13780), (1430, 13674), (1590, 12298), (1677, 11660), (1716, 11395), (1749, 11180), (1892, 10335), (2067, 9460), (2145, 9116), (2236, 8745), (2279, 8580), (2332, 8385), (2365, 8268), (2580, 7579), (2756, 7095), (2795, 6996), (2838, 6890), (2860, 6837), (2915, 6708), (3180, 6149), (3354, 5830), (3445, 5676), (3498, 5590), (4134, 4730), (4290, 4558)]