19725291248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94833131}}^1$

素因数の和:94833152

約数の個数: 20

約数和(自身を含む): 41157579288

約数和(自身を除く): 21432288040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94833131, 189666262, 379332524, 758665048, 1232830703, 1517330096, 2465661406, 4931322812, 9862645624, 19725291248]

約数ペア:

[(1, 19725291248), (2, 9862645624), (4, 4931322812), (8, 2465661406), (13, 1517330096), (16, 1232830703), (26, 758665048), (52, 379332524), (104, 189666262), (208, 94833131)]