19702496

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22972192

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 223, 251, 352, 446, 502, 892, 1004, 1784, 2008, 2453, 2761, 3568, 4016, 4906, 5522, 7136, 8032, 9812, 11044, 19624, 22088, 39248, 44176, 55973, 78496, 88352, 111946, 223892, 447784, 615703, 895568, 1231406, 1791136, 2462812, 4925624, 9851248, 19702496]

約数ペア:

[(1, 19702496), (2, 9851248), (4, 4925624), (8, 2462812), (11, 1791136), (16, 1231406), (22, 895568), (32, 615703), (44, 447784), (88, 223892), (176, 111946), (223, 88352), (251, 78496), (352, 55973), (446, 44176), (502, 39248), (892, 22088), (1004, 19624), (1784, 11044), (2008, 9812), (2453, 8032), (2761, 7136), (3568, 5522), (4016, 4906)]