18339904

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 40233600

約数和(自身を除く): 21893696

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 109, 176, 218, 239, 352, 436, 478, 704, 872, 956, 1199, 1744, 1912, 2398, 2629, 3488, 3824, 4796, 5258, 6976, 7648, 9592, 10516, 15296, 19184, 21032, 26051, 38368, 42064, 52102, 76736, 84128, 104204, 168256, 208408, 286561, 416816, 573122, 833632, 1146244, 1667264, 2292488, 4584976, 9169952, 18339904]

約数ペア:

[(1, 18339904), (2, 9169952), (4, 4584976), (8, 2292488), (11, 1667264), (16, 1146244), (22, 833632), (32, 573122), (44, 416816), (64, 286561), (88, 208408), (109, 168256), (176, 104204), (218, 84128), (239, 76736), (352, 52102), (436, 42064), (478, 38368), (704, 26051), (872, 21032), (956, 19184), (1199, 15296), (1744, 10516), (1912, 9592), (2398, 7648), (2629, 6976), (3488, 5258), (3824, 4796)]