19629540

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{577}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 70691712

約数和(自身を除く): 51062172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 577, 630, 756, 810, 945, 972, 1134, 1154, 1215, 1260, 1620, 1701, 1731, 1890, 2268, 2308, 2430, 2835, 2885, 3402, 3462, 3780, 4039, 4860, 5193, 5670, 5770, 6804, 6924, 8078, 8505, 8655, 10386, 11340, 11540, 12117, 15579, 16156, 17010, 17310, 20195, 20772, 24234, 25965, 31158, 34020, 34620, 36351, 40390, 46737, 48468, 51930, 60585, 62316, 72702, 77895, 80780, 93474, 103860, 109053, 121170, 140211, 145404, 155790, 181755, 186948, 218106, 233685, 242340, 280422, 311580, 327159, 363510, 436212, 467370, 545265, 560844, 654318, 701055, 727020, 934740, 981477, 1090530, 1308636, 1402110, 1635795, 1962954, 2181060, 2804220, 3271590, 3925908, 4907385, 6543180, 9814770, 19629540]

約数ペア:

[(1, 19629540), (2, 9814770), (3, 6543180), (4, 4907385), (5, 3925908), (6, 3271590), (7, 2804220), (9, 2181060), (10, 1962954), (12, 1635795), (14, 1402110), (15, 1308636), (18, 1090530), (20, 981477), (21, 934740), (27, 727020), (28, 701055), (30, 654318), (35, 560844), (36, 545265), (42, 467370), (45, 436212), (54, 363510), (60, 327159), (63, 311580), (70, 280422), (81, 242340), (84, 233685), (90, 218106), (105, 186948), (108, 181755), (126, 155790), (135, 145404), (140, 140211), (162, 121170), (180, 109053), (189, 103860), (210, 93474), (243, 80780), (252, 77895), (270, 72702), (315, 62316), (324, 60585), (378, 51930), (405, 48468), (420, 46737), (486, 40390), (540, 36351), (567, 34620), (577, 34020), (630, 31158), (756, 25965), (810, 24234), (945, 20772), (972, 20195), (1134, 17310), (1154, 17010), (1215, 16156), (1260, 15579), (1620, 12117), (1701, 11540), (1731, 11340), (1890, 10386), (2268, 8655), (2308, 8505), (2430, 8078), (2835, 6924), (2885, 6804), (3402, 5770), (3462, 5670), (3780, 5193), (4039, 4860)]