19636864

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11801}}^1$

素因数の和:11828

約数の個数: 32

約数和(自身を含む): 42133140

約数和(自身を除く): 22496276

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11801, 23602, 47204, 94408, 153413, 188816, 306826, 377632, 613652, 755264, 1227304, 1510528, 2454608, 4909216, 9818432, 19636864]

約数ペア:

[(1, 19636864), (2, 9818432), (4, 4909216), (8, 2454608), (13, 1510528), (16, 1227304), (26, 755264), (32, 613652), (52, 377632), (64, 306826), (104, 188816), (128, 153413), (208, 94408), (416, 47204), (832, 23602), (1664, 11801)]