19714882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4951}}^1$

素因数の和:5145

約数の個数: 16

約数和(自身を含む): 32445504

約数和(自身を除く): 12730622

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 4951, 9902, 54461, 108922, 896131, 1792262, 9857441, 19714882]

約数ペア:

[(1, 19714882), (2, 9857441), (11, 1792262), (22, 896131), (181, 108922), (362, 54461), (1991, 9902), (3982, 4951)]