18863229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 32219136

約数和(自身を除く): 13355907

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2207, 2849, 6621, 8547, 15449, 24277, 46347, 72831, 81659, 169939, 244977, 509817, 571613, 898249, 1714839, 2694747, 6287743, 18863229]

約数ペア:

[(1, 18863229), (3, 6287743), (7, 2694747), (11, 1714839), (21, 898249), (33, 571613), (37, 509817), (77, 244977), (111, 169939), (231, 81659), (259, 72831), (407, 46347), (777, 24277), (1221, 15449), (2207, 8547), (2849, 6621)]