19433150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 39975120

約数和(自身を除く): 20541970

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 397, 445, 550, 794, 890, 979, 1958, 1985, 2225, 3970, 4367, 4450, 4895, 8734, 9790, 9925, 19850, 21835, 24475, 35333, 43670, 48950, 70666, 109175, 176665, 218350, 353330, 388663, 777326, 883325, 1766650, 1943315, 3886630, 9716575, 19433150]

約数ペア:

[(1, 19433150), (2, 9716575), (5, 3886630), (10, 1943315), (11, 1766650), (22, 883325), (25, 777326), (50, 388663), (55, 353330), (89, 218350), (110, 176665), (178, 109175), (275, 70666), (397, 48950), (445, 43670), (550, 35333), (794, 24475), (890, 21835), (979, 19850), (1958, 9925), (1985, 9790), (2225, 8734), (3970, 4895), (4367, 4450)]