19752840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54869}}^1$

素因数の和:54886

約数の個数: 48

約数和(自身を含む): 64197900

約数和(自身を除く): 44445060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54869, 109738, 164607, 219476, 274345, 329214, 438952, 493821, 548690, 658428, 823035, 987642, 1097380, 1316856, 1646070, 1975284, 2194760, 2469105, 3292140, 3950568, 4938210, 6584280, 9876420, 19752840]

約数ペア:

[(1, 19752840), (2, 9876420), (3, 6584280), (4, 4938210), (5, 3950568), (6, 3292140), (8, 2469105), (9, 2194760), (10, 1975284), (12, 1646070), (15, 1316856), (18, 1097380), (20, 987642), (24, 823035), (30, 658428), (36, 548690), (40, 493821), (45, 438952), (60, 329214), (72, 274345), (90, 219476), (120, 164607), (180, 109738), (360, 54869)]