18615984

素因数分解:

$2^4\times 3^1\times {\mathrm{389}}^1\times {\mathrm{997}}^1$

素因数の和:1397

約数の個数: 40

約数和(自身を含む): 48263280

約数和(自身を除く): 29647296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 389, 778, 997, 1167, 1556, 1994, 2334, 2991, 3112, 3988, 4668, 5982, 6224, 7976, 9336, 11964, 15952, 18672, 23928, 47856, 387833, 775666, 1163499, 1551332, 2326998, 3102664, 4653996, 6205328, 9307992, 18615984]

約数ペア:

[(1, 18615984), (2, 9307992), (3, 6205328), (4, 4653996), (6, 3102664), (8, 2326998), (12, 1551332), (16, 1163499), (24, 775666), (48, 387833), (389, 47856), (778, 23928), (997, 18672), (1167, 15952), (1556, 11964), (1994, 9336), (2334, 7976), (2991, 6224), (3112, 5982), (3988, 4668)]