18963225

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 34200192

約数和(自身を除く): 15236967

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 311, 813, 933, 1355, 1555, 2439, 2799, 4065, 4665, 6775, 7775, 12195, 13995, 20325, 23325, 60975, 69975, 84281, 252843, 421405, 758529, 1264215, 2107025, 3792645, 6321075, 18963225]

約数ペア:

[(1, 18963225), (3, 6321075), (5, 3792645), (9, 2107025), (15, 1264215), (25, 758529), (45, 421405), (75, 252843), (225, 84281), (271, 69975), (311, 60975), (813, 23325), (933, 20325), (1355, 13995), (1555, 12195), (2439, 7775), (2799, 6775), (4065, 4665)]