18695285

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 26922240

約数和(自身を除く): 8226955

約数列:

[1, 5, 7, 29, 35, 113, 145, 163, 203, 565, 791, 815, 1015, 1141, 3277, 3955, 4727, 5705, 16385, 18419, 22939, 23635, 33089, 92095, 114695, 128933, 165445, 534151, 644665, 2670755, 3739057, 18695285]

約数ペア:

[(1, 18695285), (5, 3739057), (7, 2670755), (29, 644665), (35, 534151), (113, 165445), (145, 128933), (163, 114695), (203, 92095), (565, 33089), (791, 23635), (815, 22939), (1015, 18419), (1141, 16385), (3277, 5705), (3955, 4727)]