19541005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 26938368

約数和(自身を除く): 7397363

約数列:

[1, 5, 11, 31, 55, 73, 155, 157, 341, 365, 785, 803, 1705, 1727, 2263, 4015, 4867, 8635, 11315, 11461, 24335, 24893, 53537, 57305, 124465, 126071, 267685, 355291, 630355, 1776455, 3908201, 19541005]

約数ペア:

[(1, 19541005), (5, 3908201), (11, 1776455), (31, 630355), (55, 355291), (73, 267685), (155, 126071), (157, 124465), (341, 57305), (365, 53537), (785, 24893), (803, 24335), (1705, 11461), (1727, 11315), (2263, 8635), (4015, 4867)]