18017415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 35424480

約数和(自身を除く): 17407065

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 1621, 2223, 3705, 4863, 8105, 11115, 14589, 21073, 24315, 30799, 63219, 72945, 92397, 105365, 153995, 189657, 277191, 316095, 400387, 461985, 948285, 1201161, 1385955, 2001935, 3603483, 6005805, 18017415]

約数ペア:

[(1, 18017415), (3, 6005805), (5, 3603483), (9, 2001935), (13, 1385955), (15, 1201161), (19, 948285), (39, 461985), (45, 400387), (57, 316095), (65, 277191), (95, 189657), (117, 153995), (171, 105365), (195, 92397), (247, 72945), (285, 63219), (585, 30799), (741, 24315), (855, 21073), (1235, 14589), (1621, 11115), (2223, 8105), (3705, 4863)]