18903652

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 33707520

約数和(自身を除く): 14803868

約数列:

[1, 2, 4, 109, 191, 218, 227, 382, 436, 454, 764, 908, 20819, 24743, 41638, 43357, 49486, 83276, 86714, 98972, 173428, 4725913, 9451826, 18903652]

約数ペア:

[(1, 18903652), (2, 9451826), (4, 4725913), (109, 173428), (191, 98972), (218, 86714), (227, 83276), (382, 49486), (436, 43357), (454, 41638), (764, 24743), (908, 20819)]