18611872010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1\times {\mathrm{1049}}^1$

素因数の和:1595

約数の個数: 64

約数和(自身を含む): 34979364000

約数和(自身を除く): 16367491990

約数列:

[1, 2, 5, 10, 29, 58, 145, 193, 290, 317, 386, 634, 965, 1049, 1585, 1930, 2098, 3170, 5245, 5597, 9193, 10490, 11194, 18386, 27985, 30421, 45965, 55970, 60842, 61181, 91930, 122362, 152105, 202457, 304210, 305905, 332533, 404914, 611810, 665066, 1012285, 1662665, 1774249, 2024570, 3325330, 3548498, 5871253, 8871245, 9643457, 11742506, 17742490, 19286914, 29356265, 48217285, 58712530, 64178869, 96434570, 128357738, 320894345, 641788690, 1861187201, 3722374402, 9305936005, 18611872010]

約数ペア:

[(1, 18611872010), (2, 9305936005), (5, 3722374402), (10, 1861187201), (29, 641788690), (58, 320894345), (145, 128357738), (193, 96434570), (290, 64178869), (317, 58712530), (386, 48217285), (634, 29356265), (965, 19286914), (1049, 17742490), (1585, 11742506), (1930, 9643457), (2098, 8871245), (3170, 5871253), (5245, 3548498), (5597, 3325330), (9193, 2024570), (10490, 1774249), (11194, 1662665), (18386, 1012285), (27985, 665066), (30421, 611810), (45965, 404914), (55970, 332533), (60842, 305905), (61181, 304210), (91930, 202457), (122362, 152105)]