15881416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 31586400

約数和(自身を除く): 15704984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 641, 652, 1282, 1304, 2564, 3097, 5128, 6194, 12179, 12388, 24358, 24776, 48716, 97432, 104483, 208966, 417932, 835864, 1985177, 3970354, 7940708, 15881416]

約数ペア:

[(1, 15881416), (2, 7940708), (4, 3970354), (8, 1985177), (19, 835864), (38, 417932), (76, 208966), (152, 104483), (163, 97432), (326, 48716), (641, 24776), (652, 24358), (1282, 12388), (1304, 12179), (2564, 6194), (3097, 5128)]