1819979940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{9719}}^1$

素因数の和:12852

約数の個数: 48

約数和(自身を含む): 5098101120

約数和(自身を除く): 3278121180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3121, 6242, 9363, 9719, 12484, 15605, 18726, 19438, 29157, 31210, 37452, 38876, 46815, 48595, 58314, 62420, 93630, 97190, 116628, 145785, 187260, 194380, 291570, 583140, 30332999, 60665998, 90998997, 121331996, 151664995, 181997994, 303329990, 363995988, 454994985, 606659980, 909989970, 1819979940]

約数ペア:

[(1, 1819979940), (2, 909989970), (3, 606659980), (4, 454994985), (5, 363995988), (6, 303329990), (10, 181997994), (12, 151664995), (15, 121331996), (20, 90998997), (30, 60665998), (60, 30332999), (3121, 583140), (6242, 291570), (9363, 194380), (9719, 187260), (12484, 145785), (15605, 116628), (18726, 97190), (19438, 93630), (29157, 62420), (31210, 58314), (37452, 48595), (38876, 46815)]