2018011918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{566539}}^1$

素因数の和:566691

約数の個数: 16

約数和(自身を含む): 3283665840

約数和(自身を除く): 1265653922

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 566539, 1133078, 7365007, 14730014, 77615843, 155231686, 1009005959, 2018011918]

約数ペア:

[(1, 2018011918), (2, 1009005959), (13, 155231686), (26, 77615843), (137, 14730014), (274, 7365007), (1781, 1133078), (3562, 566539)]