18630225

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2718

約数の個数: 36

約数和(自身を含む): 34458112

約数和(自身を除く): 15827887

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 2671, 6975, 8013, 13355, 24039, 40065, 66775, 82801, 120195, 200325, 248403, 414005, 600975, 745209, 1242015, 2070025, 3726045, 6210075, 18630225]

約数ペア:

[(1, 18630225), (3, 6210075), (5, 3726045), (9, 2070025), (15, 1242015), (25, 745209), (31, 600975), (45, 414005), (75, 248403), (93, 200325), (155, 120195), (225, 82801), (279, 66775), (465, 40065), (775, 24039), (1395, 13355), (2325, 8013), (2671, 6975)]