18910692

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 51406880

約数和(自身を除く): 32496188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 331, 414, 529, 621, 662, 828, 993, 1058, 1242, 1324, 1587, 1986, 2116, 2484, 2979, 3174, 3972, 4761, 5958, 6348, 7613, 8937, 9522, 11916, 14283, 15226, 17874, 19044, 22839, 28566, 30452, 35748, 45678, 57132, 68517, 91356, 137034, 175099, 205551, 274068, 350198, 411102, 525297, 700396, 822204, 1050594, 1575891, 2101188, 3151782, 4727673, 6303564, 9455346, 18910692]

約数ペア:

[(1, 18910692), (2, 9455346), (3, 6303564), (4, 4727673), (6, 3151782), (9, 2101188), (12, 1575891), (18, 1050594), (23, 822204), (27, 700396), (36, 525297), (46, 411102), (54, 350198), (69, 274068), (92, 205551), (108, 175099), (138, 137034), (207, 91356), (276, 68517), (331, 57132), (414, 45678), (529, 35748), (621, 30452), (662, 28566), (828, 22839), (993, 19044), (1058, 17874), (1242, 15226), (1324, 14283), (1587, 11916), (1986, 9522), (2116, 8937), (2484, 7613), (2979, 6348), (3174, 5958), (3972, 4761)]