18239970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{86857}}^1$

素因数の和:86874

約数の個数: 32

約数和(自身を含む): 50030208

約数和(自身を除く): 31790238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 86857, 173714, 260571, 434285, 521142, 607999, 868570, 1215998, 1302855, 1823997, 2605710, 3039995, 3647994, 6079990, 9119985, 18239970]

約数ペア:

[(1, 18239970), (2, 9119985), (3, 6079990), (5, 3647994), (6, 3039995), (7, 2605710), (10, 1823997), (14, 1302855), (15, 1215998), (21, 868570), (30, 607999), (35, 521142), (42, 434285), (70, 260571), (105, 173714), (210, 86857)]