18401504

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 40216176

約数和(自身を除く): 21814672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 88, 122, 176, 244, 352, 488, 671, 857, 976, 1342, 1714, 1952, 2684, 3428, 5368, 6856, 9427, 10736, 13712, 18854, 21472, 27424, 37708, 52277, 75416, 104554, 150832, 209108, 301664, 418216, 575047, 836432, 1150094, 1672864, 2300188, 4600376, 9200752, 18401504]

約数ペア:

[(1, 18401504), (2, 9200752), (4, 4600376), (8, 2300188), (11, 1672864), (16, 1150094), (22, 836432), (32, 575047), (44, 418216), (61, 301664), (88, 209108), (122, 150832), (176, 104554), (244, 75416), (352, 52277), (488, 37708), (671, 27424), (857, 21472), (976, 18854), (1342, 13712), (1714, 10736), (1952, 9427), (2684, 6856), (3428, 5368)]