18490120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42023}}^1$

素因数の和:42045

約数の個数: 32

約数和(自身を含む): 45385920

約数和(自身を除く): 26895800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42023, 84046, 168092, 210115, 336184, 420230, 462253, 840460, 924506, 1680920, 1849012, 2311265, 3698024, 4622530, 9245060, 18490120]

約数ペア:

[(1, 18490120), (2, 9245060), (4, 4622530), (5, 3698024), (8, 2311265), (10, 1849012), (11, 1680920), (20, 924506), (22, 840460), (40, 462253), (44, 420230), (55, 336184), (88, 210115), (110, 168092), (220, 84046), (440, 42023)]