18615478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 34329600

約数和(自身を除く): 15714122

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1489, 1786, 2978, 6251, 10423, 12502, 20846, 28291, 56582, 69983, 139966, 198037, 396074, 489881, 979762, 1329677, 2659354, 9307739, 18615478]

約数ペア:

[(1, 18615478), (2, 9307739), (7, 2659354), (14, 1329677), (19, 979762), (38, 489881), (47, 396074), (94, 198037), (133, 139966), (266, 69983), (329, 56582), (658, 28291), (893, 20846), (1489, 12502), (1786, 10423), (2978, 6251)]