18826017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 31257600

約数和(自身を除く): 12431583

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1627, 1653, 3857, 4881, 11389, 11571, 30913, 34167, 47183, 92739, 141549, 216391, 330281, 649173, 896477, 990843, 2689431, 6275339, 18826017]

約数ペア:

[(1, 18826017), (3, 6275339), (7, 2689431), (19, 990843), (21, 896477), (29, 649173), (57, 330281), (87, 216391), (133, 141549), (203, 92739), (399, 47183), (551, 34167), (609, 30913), (1627, 11571), (1653, 11389), (3857, 4881)]