18716672

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 43570800

約数和(自身を除く): 24854128

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 37, 38, 52, 64, 74, 76, 104, 128, 148, 152, 208, 247, 256, 296, 304, 416, 481, 494, 512, 592, 608, 703, 832, 962, 988, 1024, 1184, 1216, 1406, 1664, 1924, 1976, 2048, 2368, 2432, 2812, 3328, 3848, 3952, 4736, 4864, 5624, 6656, 7696, 7904, 9139, 9472, 9728, 11248, 13312, 15392, 15808, 18278, 18944, 19456, 22496, 26624, 30784, 31616, 36556, 37888, 38912, 44992, 61568, 63232, 73112, 75776, 89984, 123136, 126464, 146224, 179968, 246272, 252928, 292448, 359936, 492544, 505856, 584896, 719872, 985088, 1169792, 1439744, 2339584, 4679168, 9358336, 18716672]

約数ペア:

[(1, 18716672), (2, 9358336), (4, 4679168), (8, 2339584), (13, 1439744), (16, 1169792), (19, 985088), (26, 719872), (32, 584896), (37, 505856), (38, 492544), (52, 359936), (64, 292448), (74, 252928), (76, 246272), (104, 179968), (128, 146224), (148, 126464), (152, 123136), (208, 89984), (247, 75776), (256, 73112), (296, 63232), (304, 61568), (416, 44992), (481, 38912), (494, 37888), (512, 36556), (592, 31616), (608, 30784), (703, 26624), (832, 22496), (962, 19456), (988, 18944), (1024, 18278), (1184, 15808), (1216, 15392), (1406, 13312), (1664, 11248), (1924, 9728), (1976, 9472), (2048, 9139), (2368, 7904), (2432, 7696), (2812, 6656), (3328, 5624), (3848, 4864), (3952, 4736)]