19120666864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{723829}}^1$

素因数の和:723977

約数の個数: 40

約数和(自身を含む): 40210204160

約数和(自身を除く): 21089537296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 723829, 1447658, 2895316, 5790632, 9409777, 11581264, 18819554, 37639108, 75278216, 91926283, 150556432, 183852566, 367705132, 735410264, 1195041679, 1470820528, 2390083358, 4780166716, 9560333432, 19120666864]

約数ペア:

[(1, 19120666864), (2, 9560333432), (4, 4780166716), (8, 2390083358), (13, 1470820528), (16, 1195041679), (26, 735410264), (52, 367705132), (104, 183852566), (127, 150556432), (208, 91926283), (254, 75278216), (508, 37639108), (1016, 18819554), (1651, 11581264), (2032, 9409777), (3302, 5790632), (6604, 2895316), (13208, 1447658), (26416, 723829)]