2019940215

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{778397}}^1$

素因数の和:778578

約数の個数: 16

約数和(自身を含む): 3250590048

約数和(自身を除く): 1230649833

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 778397, 2335191, 3891985, 11675955, 134662681, 403988043, 673313405, 2019940215]

約数ペア:

[(1, 2019940215), (3, 673313405), (5, 403988043), (15, 134662681), (173, 11675955), (519, 3891985), (865, 2335191), (2595, 778397)]