18979190

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{12569}}^1$

素因数の和:12727

約数の個数: 16

約数和(自身を含む): 34391520

約数和(自身を除く): 15412330

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 12569, 25138, 62845, 125690, 1897919, 3795838, 9489595, 18979190]

約数ペア:

[(1, 18979190), (2, 9489595), (5, 3795838), (10, 1897919), (151, 125690), (302, 62845), (755, 25138), (1510, 12569)]