18907111620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{233941}}^1$

素因数の和:234405

約数の個数: 72

約数和(自身を含む): 57479549400

約数和(自身を除く): 38572437780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5388, 6735, 8082, 8980, 13470, 16164, 20205, 26940, 40410, 80820, 233941, 467882, 701823, 935764, 1169705, 1403646, 2105469, 2339410, 2807292, 3509115, 4210938, 4678820, 7018230, 8421876, 10527345, 14036460, 21054690, 42109380, 105039509, 210079018, 315118527, 420158036, 525197545, 630237054, 945355581, 1050395090, 1260474108, 1575592635, 1890711162, 2100790180, 3151185270, 3781422324, 4726777905, 6302370540, 9453555810, 18907111620]

約数ペア:

[(1, 18907111620), (2, 9453555810), (3, 6302370540), (4, 4726777905), (5, 3781422324), (6, 3151185270), (9, 2100790180), (10, 1890711162), (12, 1575592635), (15, 1260474108), (18, 1050395090), (20, 945355581), (30, 630237054), (36, 525197545), (45, 420158036), (60, 315118527), (90, 210079018), (180, 105039509), (449, 42109380), (898, 21054690), (1347, 14036460), (1796, 10527345), (2245, 8421876), (2694, 7018230), (4041, 4678820), (4490, 4210938), (5388, 3509115), (6735, 2807292), (8082, 2339410), (8980, 2105469), (13470, 1403646), (16164, 1169705), (20205, 935764), (26940, 701823), (40410, 467882), (80820, 233941)]