18771400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5521}}^1$

素因数の和:5554

約数の個数: 48

約数和(自身を含む): 46219140

約数和(自身を除く): 27447740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5521, 11042, 22084, 27605, 44168, 55210, 93857, 110420, 138025, 187714, 220840, 276050, 375428, 469285, 552100, 750856, 938570, 1104200, 1877140, 2346425, 3754280, 4692850, 9385700, 18771400]

約数ペア:

[(1, 18771400), (2, 9385700), (4, 4692850), (5, 3754280), (8, 2346425), (10, 1877140), (17, 1104200), (20, 938570), (25, 750856), (34, 552100), (40, 469285), (50, 375428), (68, 276050), (85, 220840), (100, 187714), (136, 138025), (170, 110420), (200, 93857), (340, 55210), (425, 44168), (680, 27605), (850, 22084), (1700, 11042), (3400, 5521)]