19437256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 19481624

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 1091, 2182, 2227, 4364, 4454, 8728, 8908, 17816, 18547, 37094, 74188, 142921, 148376, 285842, 571684, 1143368, 2429657, 4859314, 9718628, 19437256]

約数ペア:

[(1, 19437256), (2, 9718628), (4, 4859314), (8, 2429657), (17, 1143368), (34, 571684), (68, 285842), (131, 148376), (136, 142921), (262, 74188), (524, 37094), (1048, 18547), (1091, 17816), (2182, 8908), (2227, 8728), (4364, 4454)]