19816502

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2333}}^1$

素因数の和:2503

約数の個数: 16

約数和(自身を含む): 30920832

約数和(自身を除く): 11104330

約数列:

[1, 2, 31, 62, 137, 274, 2333, 4247, 4666, 8494, 72323, 144646, 319621, 639242, 9908251, 19816502]

約数ペア:

[(1, 19816502), (2, 9908251), (31, 639242), (62, 319621), (137, 144646), (274, 72323), (2333, 8494), (4247, 4666)]