18737793650

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{16661}}^1$

素因数の和:17027

約数の個数: 48

約数和(自身を含む): 35404483968

約数和(自身を除く): 16666690318

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 271, 415, 542, 830, 1355, 2075, 2710, 4150, 6775, 13550, 16661, 22493, 33322, 44986, 83305, 112465, 166610, 224930, 416525, 562325, 833050, 1124650, 1382863, 2765726, 4515131, 6914315, 9030262, 13828630, 22575655, 34571575, 45151310, 69143150, 112878275, 225756550, 374755873, 749511746, 1873779365, 3747558730, 9368896825, 18737793650]

約数ペア:

[(1, 18737793650), (2, 9368896825), (5, 3747558730), (10, 1873779365), (25, 749511746), (50, 374755873), (83, 225756550), (166, 112878275), (271, 69143150), (415, 45151310), (542, 34571575), (830, 22575655), (1355, 13828630), (2075, 9030262), (2710, 6914315), (4150, 4515131), (6775, 2765726), (13550, 1382863), (16661, 1124650), (22493, 833050), (33322, 562325), (44986, 416525), (83305, 224930), (112465, 166610)]