19419660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 65249184

約数和(自身を除く): 45829524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 193, 195, 215, 234, 258, 260, 386, 387, 390, 430, 468, 516, 559, 579, 585, 645, 772, 774, 780, 860, 965, 1118, 1158, 1170, 1290, 1548, 1677, 1737, 1930, 1935, 2236, 2316, 2340, 2509, 2580, 2795, 2895, 3354, 3474, 3860, 3870, 5018, 5031, 5590, 5790, 6708, 6948, 7527, 7740, 8299, 8385, 8685, 10036, 10062, 11180, 11580, 12545, 15054, 16598, 16770, 17370, 20124, 22581, 24897, 25090, 25155, 30108, 33196, 33540, 34740, 37635, 41495, 45162, 49794, 50180, 50310, 74691, 75270, 82990, 90324, 99588, 100620, 107887, 112905, 124485, 149382, 150540, 165980, 215774, 225810, 248970, 298764, 323661, 373455, 431548, 451620, 497940, 539435, 647322, 746910, 970983, 1078870, 1294644, 1493820, 1618305, 1941966, 2157740, 3236610, 3883932, 4854915, 6473220, 9709830, 19419660]

約数ペア:

[(1, 19419660), (2, 9709830), (3, 6473220), (4, 4854915), (5, 3883932), (6, 3236610), (9, 2157740), (10, 1941966), (12, 1618305), (13, 1493820), (15, 1294644), (18, 1078870), (20, 970983), (26, 746910), (30, 647322), (36, 539435), (39, 497940), (43, 451620), (45, 431548), (52, 373455), (60, 323661), (65, 298764), (78, 248970), (86, 225810), (90, 215774), (117, 165980), (129, 150540), (130, 149382), (156, 124485), (172, 112905), (180, 107887), (193, 100620), (195, 99588), (215, 90324), (234, 82990), (258, 75270), (260, 74691), (386, 50310), (387, 50180), (390, 49794), (430, 45162), (468, 41495), (516, 37635), (559, 34740), (579, 33540), (585, 33196), (645, 30108), (772, 25155), (774, 25090), (780, 24897), (860, 22581), (965, 20124), (1118, 17370), (1158, 16770), (1170, 16598), (1290, 15054), (1548, 12545), (1677, 11580), (1737, 11180), (1930, 10062), (1935, 10036), (2236, 8685), (2316, 8385), (2340, 8299), (2509, 7740), (2580, 7527), (2795, 6948), (2895, 6708), (3354, 5790), (3474, 5590), (3860, 5031), (3870, 5018)]