18897472

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1619

約数の個数: 56

約数和(自身を含む): 43342560

約数和(自身を除く): 24445088

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 1579, 2992, 3158, 5984, 6316, 11968, 12632, 17369, 25264, 26843, 34738, 50528, 53686, 69476, 101056, 107372, 138952, 214744, 277904, 295273, 429488, 555808, 590546, 858976, 1111616, 1181092, 1717952, 2362184, 4724368, 9448736, 18897472]

約数ペア:

[(1, 18897472), (2, 9448736), (4, 4724368), (8, 2362184), (11, 1717952), (16, 1181092), (17, 1111616), (22, 858976), (32, 590546), (34, 555808), (44, 429488), (64, 295273), (68, 277904), (88, 214744), (136, 138952), (176, 107372), (187, 101056), (272, 69476), (352, 53686), (374, 50528), (544, 34738), (704, 26843), (748, 25264), (1088, 17369), (1496, 12632), (1579, 11968), (2992, 6316), (3158, 5984)]