18489990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9199}}^1$

素因数の和:9276

約数の個数: 32

約数和(自身を含む): 45043200

約数和(自身を除く): 26553210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 9199, 18398, 27597, 45995, 55194, 91990, 137985, 275970, 616333, 1232666, 1848999, 3081665, 3697998, 6163330, 9244995, 18489990]

約数ペア:

[(1, 18489990), (2, 9244995), (3, 6163330), (5, 3697998), (6, 3081665), (10, 1848999), (15, 1232666), (30, 616333), (67, 275970), (134, 137985), (201, 91990), (335, 55194), (402, 45995), (670, 27597), (1005, 18398), (2010, 9199)]