18744110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2213}}^1$

素因数の和:2249

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 23658418

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2213, 4235, 4426, 8470, 11065, 15491, 22130, 24343, 30982, 48686, 77455, 121715, 154910, 170401, 243430, 267773, 340802, 535546, 852005, 1338865, 1704010, 1874411, 2677730, 3748822, 9372055, 18744110]

約数ペア:

[(1, 18744110), (2, 9372055), (5, 3748822), (7, 2677730), (10, 1874411), (11, 1704010), (14, 1338865), (22, 852005), (35, 535546), (55, 340802), (70, 267773), (77, 243430), (110, 170401), (121, 154910), (154, 121715), (242, 77455), (385, 48686), (605, 30982), (770, 24343), (847, 22130), (1210, 15491), (1694, 11065), (2213, 8470), (4235, 4426)]