18539079

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 9846201

約数列:

[1, 3, 13, 19, 39, 57, 127, 197, 247, 381, 591, 741, 1651, 2413, 2561, 3743, 4953, 7239, 7683, 11229, 25019, 31369, 48659, 75057, 94107, 145977, 325247, 475361, 975741, 1426083, 6179693, 18539079]

約数ペア:

[(1, 18539079), (3, 6179693), (13, 1426083), (19, 975741), (39, 475361), (57, 325247), (127, 145977), (197, 94107), (247, 75057), (381, 48659), (591, 31369), (741, 25019), (1651, 11229), (2413, 7683), (2561, 7239), (3743, 4953)]