18735872

素因数分解:

$2^8\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:628

約数の個数: 36

約数和(自身を含む): 37711800

約数和(自身を除く): 18975928

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 256, 326, 449, 652, 898, 1304, 1796, 2608, 3592, 5216, 7184, 10432, 14368, 20864, 28736, 41728, 57472, 73187, 114944, 146374, 292748, 585496, 1170992, 2341984, 4683968, 9367936, 18735872]

約数ペア:

[(1, 18735872), (2, 9367936), (4, 4683968), (8, 2341984), (16, 1170992), (32, 585496), (64, 292748), (128, 146374), (163, 114944), (256, 73187), (326, 57472), (449, 41728), (652, 28736), (898, 20864), (1304, 14368), (1796, 10432), (2608, 7184), (3592, 5216)]