18778118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8101}}^1$

素因数の和:8183

約数の個数: 16

約数和(自身を含む): 30139440

約数和(自身を除く): 11361322

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8101, 16202, 153919, 307838, 494161, 988322, 9389059, 18778118]

約数ペア:

[(1, 18778118), (2, 9389059), (19, 988322), (38, 494161), (61, 307838), (122, 153919), (1159, 16202), (2318, 8101)]