19909710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221219}}^1$

素因数の和:221232

約数の個数: 24

約数和(自身を含む): 51765480

約数和(自身を除く): 31855770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221219, 442438, 663657, 1106095, 1327314, 1990971, 2212190, 3318285, 3981942, 6636570, 9954855, 19909710]

約数ペア:

[(1, 19909710), (2, 9954855), (3, 6636570), (5, 3981942), (6, 3318285), (9, 2212190), (10, 1990971), (15, 1327314), (18, 1106095), (30, 663657), (45, 442438), (90, 221219)]