19809614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1427}}^1$

素因数の和:2071

約数の個数: 16

約数和(自身を含む): 32489856

約数和(自身を除く): 12680242

約数列:

[1, 2, 11, 22, 631, 1262, 1427, 2854, 6941, 13882, 15697, 31394, 900437, 1800874, 9904807, 19809614]

約数ペア:

[(1, 19809614), (2, 9904807), (11, 1800874), (22, 900437), (631, 31394), (1262, 15697), (1427, 13882), (2854, 6941)]