19691399516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1\times {\mathrm{1579}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 35870499840

約数和(自身を除く): 16179100324

約数列:

[1, 2, 4, 31, 62, 124, 163, 326, 617, 652, 1234, 1579, 2468, 3158, 5053, 6316, 10106, 19127, 20212, 38254, 48949, 76508, 97898, 100571, 195796, 201142, 257377, 402284, 514754, 974243, 1029508, 1948486, 3117701, 3896972, 6235402, 7978687, 12470804, 15957374, 30201533, 31914748, 60403066, 120806132, 158801609, 317603218, 635206436, 4922849879, 9845699758, 19691399516]

約数ペア:

[(1, 19691399516), (2, 9845699758), (4, 4922849879), (31, 635206436), (62, 317603218), (124, 158801609), (163, 120806132), (326, 60403066), (617, 31914748), (652, 30201533), (1234, 15957374), (1579, 12470804), (2468, 7978687), (3158, 6235402), (5053, 3896972), (6316, 3117701), (10106, 1948486), (19127, 1029508), (20212, 974243), (38254, 514754), (48949, 402284), (76508, 257377), (97898, 201142), (100571, 195796)]