18930964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6869}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 36356040

約数和(自身を除く): 17425076

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 6869, 13738, 27476, 89297, 178594, 357188, 364057, 728114, 1456228, 4732741, 9465482, 18930964]

約数ペア:

[(1, 18930964), (2, 9465482), (4, 4732741), (13, 1456228), (26, 728114), (52, 364057), (53, 357188), (106, 178594), (212, 89297), (689, 27476), (1378, 13738), (2756, 6869)]