19912534

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1071

約数の個数: 16

約数和(自身を含む): 30519216

約数和(自身を除く): 10606682

約数列:

[1, 2, 67, 134, 181, 362, 821, 1642, 12127, 24254, 55007, 110014, 148601, 297202, 9956267, 19912534]

約数ペア:

[(1, 19912534), (2, 9956267), (67, 297202), (134, 148601), (181, 110014), (362, 55007), (821, 24254), (1642, 12127)]