18408243

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 10944717

約数列:

[1, 3, 7, 21, 29, 87, 167, 181, 203, 501, 543, 609, 1169, 1267, 3507, 3801, 4843, 5249, 14529, 15747, 30227, 33901, 36743, 90681, 101703, 110229, 211589, 634767, 876583, 2629749, 6136081, 18408243]

約数ペア:

[(1, 18408243), (3, 6136081), (7, 2629749), (21, 876583), (29, 634767), (87, 211589), (167, 110229), (181, 101703), (203, 90681), (501, 36743), (543, 33901), (609, 30227), (1169, 15747), (1267, 14529), (3507, 5249), (3801, 4843)]