19541340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1193}}^1$

素因数の和:1228

約数の個数: 144

約数和(自身を含む): 73015488

約数和(自身を除く): 53474148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1193, 1260, 1365, 1638, 1820, 2340, 2386, 2730, 3276, 3579, 4095, 4772, 5460, 5965, 7158, 8190, 8351, 10737, 11930, 14316, 15509, 16380, 16702, 17895, 21474, 23860, 25053, 31018, 33404, 35790, 41755, 42948, 46527, 50106, 53685, 62036, 71580, 75159, 77545, 83510, 93054, 100212, 107370, 108563, 125265, 139581, 150318, 155090, 167020, 186108, 214740, 217126, 232635, 250530, 279162, 300636, 310180, 325689, 375795, 434252, 465270, 501060, 542815, 558324, 651378, 697905, 751590, 930540, 977067, 1085630, 1302756, 1395810, 1503180, 1628445, 1954134, 2171260, 2791620, 3256890, 3908268, 4885335, 6513780, 9770670, 19541340]

約数ペア:

[(1, 19541340), (2, 9770670), (3, 6513780), (4, 4885335), (5, 3908268), (6, 3256890), (7, 2791620), (9, 2171260), (10, 1954134), (12, 1628445), (13, 1503180), (14, 1395810), (15, 1302756), (18, 1085630), (20, 977067), (21, 930540), (26, 751590), (28, 697905), (30, 651378), (35, 558324), (36, 542815), (39, 501060), (42, 465270), (45, 434252), (52, 375795), (60, 325689), (63, 310180), (65, 300636), (70, 279162), (78, 250530), (84, 232635), (90, 217126), (91, 214740), (105, 186108), (117, 167020), (126, 155090), (130, 150318), (140, 139581), (156, 125265), (180, 108563), (182, 107370), (195, 100212), (210, 93054), (234, 83510), (252, 77545), (260, 75159), (273, 71580), (315, 62036), (364, 53685), (390, 50106), (420, 46527), (455, 42948), (468, 41755), (546, 35790), (585, 33404), (630, 31018), (780, 25053), (819, 23860), (910, 21474), (1092, 17895), (1170, 16702), (1193, 16380), (1260, 15509), (1365, 14316), (1638, 11930), (1820, 10737), (2340, 8351), (2386, 8190), (2730, 7158), (3276, 5965), (3579, 5460), (4095, 4772)]