19122896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1033}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 40388040

約数和(自身を除く): 21265144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1033, 1157, 1424, 2066, 2314, 4132, 4628, 8264, 9256, 13429, 16528, 18512, 26858, 53716, 91937, 107432, 183874, 214864, 367748, 735496, 1195181, 1470992, 2390362, 4780724, 9561448, 19122896]

約数ペア:

[(1, 19122896), (2, 9561448), (4, 4780724), (8, 2390362), (13, 1470992), (16, 1195181), (26, 735496), (52, 367748), (89, 214864), (104, 183874), (178, 107432), (208, 91937), (356, 53716), (712, 26858), (1033, 18512), (1157, 16528), (1424, 13429), (2066, 9256), (2314, 8264), (4132, 4628)]