18481520

素因数分解:

$2^4\times 5^1\times {\mathrm{231019}}^1$

素因数の和:231032

約数の個数: 20

約数和(自身を含む): 42969720

約数和(自身を除く): 24488200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231019, 462038, 924076, 1155095, 1848152, 2310190, 3696304, 4620380, 9240760, 18481520]

約数ペア:

[(1, 18481520), (2, 9240760), (4, 4620380), (5, 3696304), (8, 2310190), (10, 1848152), (16, 1155095), (20, 924076), (40, 462038), (80, 231019)]