18640830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47797}}^1$

素因数の和:47820

約数の個数: 32

約数和(自身を含む): 48180384

約数和(自身を除く): 29539554

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47797, 95594, 143391, 238985, 286782, 477970, 621361, 716955, 1242722, 1433910, 1864083, 3106805, 3728166, 6213610, 9320415, 18640830]

約数ペア:

[(1, 18640830), (2, 9320415), (3, 6213610), (5, 3728166), (6, 3106805), (10, 1864083), (13, 1433910), (15, 1242722), (26, 716955), (30, 621361), (39, 477970), (65, 286782), (78, 238985), (130, 143391), (195, 95594), (390, 47797)]