19217970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{213533}}^1$

素因数の和:213546

約数の個数: 24

約数和(自身を含む): 49966956

約数和(自身を除く): 30748986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 213533, 427066, 640599, 1067665, 1281198, 1921797, 2135330, 3202995, 3843594, 6405990, 9608985, 19217970]

約数ペア:

[(1, 19217970), (2, 9608985), (3, 6405990), (5, 3843594), (6, 3202995), (9, 2135330), (10, 1921797), (15, 1281198), (18, 1067665), (30, 640599), (45, 427066), (90, 213533)]