15969942

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 36241920

約数和(自身を除く): 20271978

約数列:

[1, 2, 3, 6, 9, 18, 43, 47, 86, 94, 129, 141, 258, 282, 387, 423, 439, 774, 846, 878, 1317, 2021, 2634, 3951, 4042, 6063, 7902, 12126, 18189, 18877, 20633, 36378, 37754, 41266, 56631, 61899, 113262, 123798, 169893, 185697, 339786, 371394, 887219, 1774438, 2661657, 5323314, 7984971, 15969942]

約数ペア:

[(1, 15969942), (2, 7984971), (3, 5323314), (6, 2661657), (9, 1774438), (18, 887219), (43, 371394), (47, 339786), (86, 185697), (94, 169893), (129, 123798), (141, 113262), (258, 61899), (282, 56631), (387, 41266), (423, 37754), (439, 36378), (774, 20633), (846, 18877), (878, 18189), (1317, 12126), (2021, 7902), (2634, 6063), (3951, 4042)]