19005983272

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8220581}}^1$

素因数の和:8220621

約数の個数: 24

約数和(自身を含む): 37855780110

約数和(自身を除く): 18849796838

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8220581, 16441162, 32882324, 65764648, 139749877, 279499754, 558999508, 1117999016, 2375747909, 4751495818, 9502991636, 19005983272]

約数ペア:

[(1, 19005983272), (2, 9502991636), (4, 4751495818), (8, 2375747909), (17, 1117999016), (34, 558999508), (68, 279499754), (136, 139749877), (289, 65764648), (578, 32882324), (1156, 16441162), (2312, 8220581)]