18631552

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 40147200

約数和(自身を除く): 21515648

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 163, 188, 304, 326, 376, 608, 652, 752, 893, 1216, 1304, 1504, 1786, 2432, 2608, 3008, 3097, 3572, 5216, 6016, 6194, 7144, 7661, 10432, 12388, 14288, 15322, 20864, 24776, 28576, 30644, 49552, 57152, 61288, 99104, 114304, 122576, 145559, 198208, 245152, 291118, 396416, 490304, 582236, 980608, 1164472, 2328944, 4657888, 9315776, 18631552]

約数ペア:

[(1, 18631552), (2, 9315776), (4, 4657888), (8, 2328944), (16, 1164472), (19, 980608), (32, 582236), (38, 490304), (47, 396416), (64, 291118), (76, 245152), (94, 198208), (128, 145559), (152, 122576), (163, 114304), (188, 99104), (304, 61288), (326, 57152), (376, 49552), (608, 30644), (652, 28576), (752, 24776), (893, 20864), (1216, 15322), (1304, 14288), (1504, 12388), (1786, 10432), (2432, 7661), (2608, 7144), (3008, 6194), (3097, 6016), (3572, 5216)]