18413295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 31456512

約数和(自身を除く): 13043217

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 443, 489, 815, 1329, 2215, 2445, 2771, 6645, 7531, 8313, 13855, 22593, 37655, 41565, 72209, 112965, 216627, 361045, 1083135, 1227553, 3682659, 6137765, 18413295]

約数ペア:

[(1, 18413295), (3, 6137765), (5, 3682659), (15, 1227553), (17, 1083135), (51, 361045), (85, 216627), (163, 112965), (255, 72209), (443, 41565), (489, 37655), (815, 22593), (1329, 13855), (2215, 8313), (2445, 7531), (2771, 6645)]