18787922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12661678

約数列:

[1, 2, 19, 31, 38, 41, 62, 82, 389, 589, 778, 779, 1178, 1271, 1558, 2542, 7391, 12059, 14782, 15949, 24118, 24149, 31898, 48298, 229121, 303031, 458242, 494419, 606062, 988838, 9393961, 18787922]

約数ペア:

[(1, 18787922), (2, 9393961), (19, 988838), (31, 606062), (38, 494419), (41, 458242), (62, 303031), (82, 229121), (389, 48298), (589, 31898), (778, 24149), (779, 24118), (1178, 15949), (1271, 14782), (1558, 12059), (2542, 7391)]