19197960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 58017600

約数和(自身を除く): 38819640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1019, 1256, 1570, 1884, 2038, 2355, 3057, 3140, 3768, 4076, 4710, 5095, 6114, 6280, 8152, 9420, 10190, 12228, 15285, 18840, 20380, 24456, 30570, 40760, 61140, 122280, 159983, 319966, 479949, 639932, 799915, 959898, 1279864, 1599830, 1919796, 2399745, 3199660, 3839592, 4799490, 6399320, 9598980, 19197960]

約数ペア:

[(1, 19197960), (2, 9598980), (3, 6399320), (4, 4799490), (5, 3839592), (6, 3199660), (8, 2399745), (10, 1919796), (12, 1599830), (15, 1279864), (20, 959898), (24, 799915), (30, 639932), (40, 479949), (60, 319966), (120, 159983), (157, 122280), (314, 61140), (471, 40760), (628, 30570), (785, 24456), (942, 20380), (1019, 18840), (1256, 15285), (1570, 12228), (1884, 10190), (2038, 9420), (2355, 8152), (3057, 6280), (3140, 6114), (3768, 5095), (4076, 4710)]