19949663344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1093}}^1\times {\mathrm{87751}}^1$

素因数の和:88865

約数の個数: 40

約数和(自身を含む): 41664298592

約数和(自身を除く): 21714635248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1093, 2186, 4372, 8744, 14209, 17488, 28418, 56836, 87751, 113672, 175502, 227344, 351004, 702008, 1140763, 1404016, 2281526, 4563052, 9126104, 18252208, 95911843, 191823686, 383647372, 767294744, 1246853959, 1534589488, 2493707918, 4987415836, 9974831672, 19949663344]

約数ペア:

[(1, 19949663344), (2, 9974831672), (4, 4987415836), (8, 2493707918), (13, 1534589488), (16, 1246853959), (26, 767294744), (52, 383647372), (104, 191823686), (208, 95911843), (1093, 18252208), (2186, 9126104), (4372, 4563052), (8744, 2281526), (14209, 1404016), (17488, 1140763), (28418, 702008), (56836, 351004), (87751, 227344), (113672, 175502)]