15726490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6367}}^1$

素因数の和:6406

約数の個数: 32

約数和(自身を含む): 32094720

約数和(自身を除く): 16368230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 6367, 12734, 31835, 63670, 82771, 120973, 165542, 241946, 413855, 604865, 827710, 1209730, 1572649, 3145298, 7863245, 15726490]

約数ペア:

[(1, 15726490), (2, 7863245), (5, 3145298), (10, 1572649), (13, 1209730), (19, 827710), (26, 604865), (38, 413855), (65, 241946), (95, 165542), (130, 120973), (190, 82771), (247, 63670), (494, 31835), (1235, 12734), (2470, 6367)]