19984968

素因数分解:

$2^3\times 3^4\times {\mathrm{30841}}^1$

素因数の和:30859

約数の個数: 40

約数和(自身を含む): 55978230

約数和(自身を除く): 35993262

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30841, 61682, 92523, 123364, 185046, 246728, 277569, 370092, 555138, 740184, 832707, 1110276, 1665414, 2220552, 2498121, 3330828, 4996242, 6661656, 9992484, 19984968]

約数ペア:

[(1, 19984968), (2, 9992484), (3, 6661656), (4, 4996242), (6, 3330828), (8, 2498121), (9, 2220552), (12, 1665414), (18, 1110276), (24, 832707), (27, 740184), (36, 555138), (54, 370092), (72, 277569), (81, 246728), (108, 185046), (162, 123364), (216, 92523), (324, 61682), (648, 30841)]