18414800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2423}}^1$

素因数の和:2460

約数の個数: 60

約数和(自身を含む): 46589280

約数和(自身を除く): 28174480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2423, 3800, 4846, 7600, 9692, 12115, 19384, 24230, 38768, 46037, 48460, 60575, 92074, 96920, 121150, 184148, 193840, 230185, 242300, 368296, 460370, 484600, 736592, 920740, 969200, 1150925, 1841480, 2301850, 3682960, 4603700, 9207400, 18414800]

約数ペア:

[(1, 18414800), (2, 9207400), (4, 4603700), (5, 3682960), (8, 2301850), (10, 1841480), (16, 1150925), (19, 969200), (20, 920740), (25, 736592), (38, 484600), (40, 460370), (50, 368296), (76, 242300), (80, 230185), (95, 193840), (100, 184148), (152, 121150), (190, 96920), (200, 92074), (304, 60575), (380, 48460), (400, 46037), (475, 38768), (760, 24230), (950, 19384), (1520, 12115), (1900, 9692), (2423, 7600), (3800, 4846)]