18639616

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4283}}^1$

素因数の和:4316

約数の個数: 36

約数和(自身を含む): 39404232

約数和(自身を除く): 20764616

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4283, 4352, 8566, 17132, 34264, 68528, 72811, 137056, 145622, 274112, 291244, 548224, 582488, 1096448, 1164976, 2329952, 4659904, 9319808, 18639616]

約数ペア:

[(1, 18639616), (2, 9319808), (4, 4659904), (8, 2329952), (16, 1164976), (17, 1096448), (32, 582488), (34, 548224), (64, 291244), (68, 274112), (128, 145622), (136, 137056), (256, 72811), (272, 68528), (544, 34264), (1088, 17132), (2176, 8566), (4283, 4352)]