18197930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 16362070

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1249, 1457, 2498, 2914, 6245, 7285, 12490, 14570, 38719, 58703, 77438, 117406, 193595, 293515, 387190, 587030, 1819793, 3639586, 9098965, 18197930]

約数ペア:

[(1, 18197930), (2, 9098965), (5, 3639586), (10, 1819793), (31, 587030), (47, 387190), (62, 293515), (94, 193595), (155, 117406), (235, 77438), (310, 58703), (470, 38719), (1249, 14570), (1457, 12490), (2498, 7285), (2914, 6245)]