15919540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8747}}^1$

素因数の和:8776

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 25231052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8747, 17494, 34988, 43735, 61229, 87470, 113711, 122458, 174940, 227422, 244916, 306145, 454844, 568555, 612290, 795977, 1137110, 1224580, 1591954, 2274220, 3183908, 3979885, 7959770, 15919540]

約数ペア:

[(1, 15919540), (2, 7959770), (4, 3979885), (5, 3183908), (7, 2274220), (10, 1591954), (13, 1224580), (14, 1137110), (20, 795977), (26, 612290), (28, 568555), (35, 454844), (52, 306145), (65, 244916), (70, 227422), (91, 174940), (130, 122458), (140, 113711), (182, 87470), (260, 61229), (364, 43735), (455, 34988), (910, 17494), (1820, 8747)]