19142720

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:547

約数の個数: 56

約数和(自身を含む): 45988224

約数和(自身を除く): 26845504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 367, 652, 734, 815, 1304, 1468, 1630, 1835, 2608, 2936, 3260, 3670, 5216, 5872, 6520, 7340, 10432, 11744, 13040, 14680, 23488, 26080, 29360, 52160, 58720, 59821, 117440, 119642, 239284, 299105, 478568, 598210, 957136, 1196420, 1914272, 2392840, 3828544, 4785680, 9571360, 19142720]

約数ペア:

[(1, 19142720), (2, 9571360), (4, 4785680), (5, 3828544), (8, 2392840), (10, 1914272), (16, 1196420), (20, 957136), (32, 598210), (40, 478568), (64, 299105), (80, 239284), (160, 119642), (163, 117440), (320, 59821), (326, 58720), (367, 52160), (652, 29360), (734, 26080), (815, 23488), (1304, 14680), (1468, 13040), (1630, 11744), (1835, 10432), (2608, 7340), (2936, 6520), (3260, 5872), (3670, 5216)]