18519030

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7621}}^1$

素因数の和:7643

約数の個数: 48

約数和(自身を含む): 49939344

約数和(自身を除く): 31420314

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7621, 15242, 22863, 38105, 45726, 68589, 76210, 114315, 137178, 205767, 228630, 342945, 411534, 617301, 685890, 1028835, 1234602, 1851903, 2057670, 3086505, 3703806, 6173010, 9259515, 18519030]

約数ペア:

[(1, 18519030), (2, 9259515), (3, 6173010), (5, 3703806), (6, 3086505), (9, 2057670), (10, 1851903), (15, 1234602), (18, 1028835), (27, 685890), (30, 617301), (45, 411534), (54, 342945), (81, 228630), (90, 205767), (135, 137178), (162, 114315), (243, 76210), (270, 68589), (405, 45726), (486, 38105), (810, 22863), (1215, 15242), (2430, 7621)]