19815746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9839}}^1$

素因数の和:9913

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 12065854

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 9839, 19678, 186941, 373882, 521467, 1042934, 9907873, 19815746]

約数ペア:

[(1, 19815746), (2, 9907873), (19, 1042934), (38, 521467), (53, 373882), (106, 186941), (1007, 19678), (2014, 9839)]