18286020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33863}}^1$

素因数の和:33881

約数の個数: 48

約数和(自身を含む): 56891520

約数和(自身を除く): 38605500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 33863, 67726, 101589, 135452, 169315, 203178, 304767, 338630, 406356, 507945, 609534, 677260, 914301, 1015890, 1219068, 1523835, 1828602, 2031780, 3047670, 3657204, 4571505, 6095340, 9143010, 18286020]

約数ペア:

[(1, 18286020), (2, 9143010), (3, 6095340), (4, 4571505), (5, 3657204), (6, 3047670), (9, 2031780), (10, 1828602), (12, 1523835), (15, 1219068), (18, 1015890), (20, 914301), (27, 677260), (30, 609534), (36, 507945), (45, 406356), (54, 338630), (60, 304767), (90, 203178), (108, 169315), (135, 135452), (180, 101589), (270, 67726), (540, 33863)]