17961328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 44282880

約数和(自身を除く): 26321552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 61, 77, 88, 112, 122, 154, 176, 239, 244, 308, 427, 478, 488, 616, 671, 854, 956, 976, 1232, 1342, 1673, 1708, 1912, 2629, 2684, 3346, 3416, 3824, 4697, 5258, 5368, 6692, 6832, 9394, 10516, 10736, 13384, 14579, 18403, 18788, 21032, 26768, 29158, 36806, 37576, 42064, 58316, 73612, 75152, 102053, 116632, 147224, 160369, 204106, 233264, 294448, 320738, 408212, 641476, 816424, 1122583, 1282952, 1632848, 2245166, 2565904, 4490332, 8980664, 17961328]

約数ペア:

[(1, 17961328), (2, 8980664), (4, 4490332), (7, 2565904), (8, 2245166), (11, 1632848), (14, 1282952), (16, 1122583), (22, 816424), (28, 641476), (44, 408212), (56, 320738), (61, 294448), (77, 233264), (88, 204106), (112, 160369), (122, 147224), (154, 116632), (176, 102053), (239, 75152), (244, 73612), (308, 58316), (427, 42064), (478, 37576), (488, 36806), (616, 29158), (671, 26768), (854, 21032), (956, 18788), (976, 18403), (1232, 14579), (1342, 13384), (1673, 10736), (1708, 10516), (1912, 9394), (2629, 6832), (2684, 6692), (3346, 5368), (3416, 5258), (3824, 4697)]