17957888

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 88

約数和(自身を含む): 41267520

約数和(自身を除く): 23309632

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 71, 76, 104, 128, 142, 152, 208, 247, 256, 284, 304, 416, 494, 512, 568, 608, 832, 923, 988, 1024, 1136, 1216, 1349, 1664, 1846, 1976, 2272, 2432, 2698, 3328, 3692, 3952, 4544, 4864, 5396, 6656, 7384, 7904, 9088, 9728, 10792, 13312, 14768, 15808, 17537, 18176, 19456, 21584, 29536, 31616, 35074, 36352, 43168, 59072, 63232, 70148, 72704, 86336, 118144, 126464, 140296, 172672, 236288, 252928, 280592, 345344, 472576, 561184, 690688, 945152, 1122368, 1381376, 2244736, 4489472, 8978944, 17957888]

約数ペア:

[(1, 17957888), (2, 8978944), (4, 4489472), (8, 2244736), (13, 1381376), (16, 1122368), (19, 945152), (26, 690688), (32, 561184), (38, 472576), (52, 345344), (64, 280592), (71, 252928), (76, 236288), (104, 172672), (128, 140296), (142, 126464), (152, 118144), (208, 86336), (247, 72704), (256, 70148), (284, 63232), (304, 59072), (416, 43168), (494, 36352), (512, 35074), (568, 31616), (608, 29536), (832, 21584), (923, 19456), (988, 18176), (1024, 17537), (1136, 15808), (1216, 14768), (1349, 13312), (1664, 10792), (1846, 9728), (1976, 9088), (2272, 7904), (2432, 7384), (2698, 6656), (3328, 5396), (3692, 4864), (3952, 4544)]