18746816

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:913

約数の個数: 56

約数和(自身を含む): 41940480

約数和(自身を除く): 23193664

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 176, 248, 341, 352, 496, 682, 704, 859, 992, 1364, 1718, 1984, 2728, 3436, 5456, 6872, 9449, 10912, 13744, 18898, 21824, 26629, 27488, 37796, 53258, 54976, 75592, 106516, 151184, 213032, 292919, 302368, 426064, 585838, 604736, 852128, 1171676, 1704256, 2343352, 4686704, 9373408, 18746816]

約数ペア:

[(1, 18746816), (2, 9373408), (4, 4686704), (8, 2343352), (11, 1704256), (16, 1171676), (22, 852128), (31, 604736), (32, 585838), (44, 426064), (62, 302368), (64, 292919), (88, 213032), (124, 151184), (176, 106516), (248, 75592), (341, 54976), (352, 53258), (496, 37796), (682, 27488), (704, 26629), (859, 21824), (992, 18898), (1364, 13744), (1718, 10912), (1984, 9449), (2728, 6872), (3436, 5456)]