18543872

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4294

約数の個数: 36

約数和(自身を含む): 39201876

約数和(自身を除く): 20658004

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4261, 4352, 8522, 17044, 34088, 68176, 72437, 136352, 144874, 272704, 289748, 545408, 579496, 1090816, 1158992, 2317984, 4635968, 9271936, 18543872]

約数ペア:

[(1, 18543872), (2, 9271936), (4, 4635968), (8, 2317984), (16, 1158992), (17, 1090816), (32, 579496), (34, 545408), (64, 289748), (68, 272704), (128, 144874), (136, 136352), (256, 72437), (272, 68176), (544, 34088), (1088, 17044), (2176, 8522), (4261, 4352)]