19482800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:990

約数の個数: 60

約数和(自身を含む): 47742480

約数和(自身を除く): 28259680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 919, 1060, 1325, 1838, 2120, 2650, 3676, 4240, 4595, 5300, 7352, 9190, 10600, 14704, 18380, 21200, 22975, 36760, 45950, 48707, 73520, 91900, 97414, 183800, 194828, 243535, 367600, 389656, 487070, 779312, 974140, 1217675, 1948280, 2435350, 3896560, 4870700, 9741400, 19482800]

約数ペア:

[(1, 19482800), (2, 9741400), (4, 4870700), (5, 3896560), (8, 2435350), (10, 1948280), (16, 1217675), (20, 974140), (25, 779312), (40, 487070), (50, 389656), (53, 367600), (80, 243535), (100, 194828), (106, 183800), (200, 97414), (212, 91900), (265, 73520), (400, 48707), (424, 45950), (530, 36760), (848, 22975), (919, 21200), (1060, 18380), (1325, 14704), (1838, 10600), (2120, 9190), (2650, 7352), (3676, 5300), (4240, 4595)]