2018958487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1167703}}^1$

素因数の和:1167742

約数の個数: 16

約数和(自身を含む): 2615656960

約数和(自身を除く): 596698473

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1167703, 8173921, 15180139, 22186357, 106260973, 155304499, 288422641, 2018958487]

約数ペア:

[(1, 2018958487), (7, 288422641), (13, 155304499), (19, 106260973), (91, 22186357), (133, 15180139), (247, 8173921), (1729, 1167703)]