18710469

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 27768312

約数和(自身を除く): 9057843

約数列:

[1, 3, 9, 61, 173, 183, 197, 519, 549, 591, 1557, 1773, 10553, 12017, 31659, 34081, 36051, 94977, 102243, 108153, 306729, 2078941, 6236823, 18710469]

約数ペア:

[(1, 18710469), (3, 6236823), (9, 2078941), (61, 306729), (173, 108153), (183, 102243), (197, 94977), (519, 36051), (549, 34081), (591, 31659), (1557, 12017), (1773, 10553)]