19202960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 52068096

約数和(自身を除く): 32865136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 647, 742, 848, 1060, 1294, 1484, 1855, 2120, 2588, 2968, 3235, 3710, 4240, 4529, 5176, 5936, 6470, 7420, 9058, 10352, 12940, 14840, 18116, 22645, 25880, 29680, 34291, 36232, 45290, 51760, 68582, 72464, 90580, 137164, 171455, 181160, 240037, 274328, 342910, 362320, 480074, 548656, 685820, 960148, 1200185, 1371640, 1920296, 2400370, 2743280, 3840592, 4800740, 9601480, 19202960]

約数ペア:

[(1, 19202960), (2, 9601480), (4, 4800740), (5, 3840592), (7, 2743280), (8, 2400370), (10, 1920296), (14, 1371640), (16, 1200185), (20, 960148), (28, 685820), (35, 548656), (40, 480074), (53, 362320), (56, 342910), (70, 274328), (80, 240037), (106, 181160), (112, 171455), (140, 137164), (212, 90580), (265, 72464), (280, 68582), (371, 51760), (424, 45290), (530, 36232), (560, 34291), (647, 29680), (742, 25880), (848, 22645), (1060, 18116), (1294, 14840), (1484, 12940), (1855, 10352), (2120, 9058), (2588, 7420), (2968, 6470), (3235, 5936), (3710, 5176), (4240, 4529)]