19636665

素因数分解:

$3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1321}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 31474176

約数和(自身を除く): 11837511

約数列:

[1, 3, 5, 15, 991, 1321, 2973, 3963, 4955, 6605, 14865, 19815, 1309111, 3927333, 6545555, 19636665]

約数ペア:

[(1, 19636665), (3, 6545555), (5, 3927333), (15, 1309111), (991, 19815), (1321, 14865), (2973, 6605), (3963, 4955)]