18589480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5107}}^1$

素因数の和:5138

約数の個数: 64

約数和(自身を含む): 51488640

約数和(自身を除く): 32899160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5107, 10214, 20428, 25535, 35749, 40856, 51070, 66391, 71498, 102140, 132782, 142996, 178745, 204280, 265564, 285992, 331955, 357490, 464737, 531128, 663910, 714980, 929474, 1327820, 1429960, 1858948, 2323685, 2655640, 3717896, 4647370, 9294740, 18589480]

約数ペア:

[(1, 18589480), (2, 9294740), (4, 4647370), (5, 3717896), (7, 2655640), (8, 2323685), (10, 1858948), (13, 1429960), (14, 1327820), (20, 929474), (26, 714980), (28, 663910), (35, 531128), (40, 464737), (52, 357490), (56, 331955), (65, 285992), (70, 265564), (91, 204280), (104, 178745), (130, 142996), (140, 132782), (182, 102140), (260, 71498), (280, 66391), (364, 51070), (455, 40856), (520, 35749), (728, 25535), (910, 20428), (1820, 10214), (3640, 5107)]