19214800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 90

約数和(自身を含む): 50869574

約数和(自身を除く): 31654774

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 397, 400, 440, 484, 550, 605, 794, 880, 968, 1100, 1210, 1588, 1936, 1985, 2200, 2420, 3025, 3176, 3970, 4367, 4400, 4840, 6050, 6352, 7940, 8734, 9680, 9925, 12100, 15880, 17468, 19850, 21835, 24200, 31760, 34936, 39700, 43670, 48037, 48400, 69872, 79400, 87340, 96074, 109175, 158800, 174680, 192148, 218350, 240185, 349360, 384296, 436700, 480370, 768592, 873400, 960740, 1200925, 1746800, 1921480, 2401850, 3842960, 4803700, 9607400, 19214800]

約数ペア:

[(1, 19214800), (2, 9607400), (4, 4803700), (5, 3842960), (8, 2401850), (10, 1921480), (11, 1746800), (16, 1200925), (20, 960740), (22, 873400), (25, 768592), (40, 480370), (44, 436700), (50, 384296), (55, 349360), (80, 240185), (88, 218350), (100, 192148), (110, 174680), (121, 158800), (176, 109175), (200, 96074), (220, 87340), (242, 79400), (275, 69872), (397, 48400), (400, 48037), (440, 43670), (484, 39700), (550, 34936), (605, 31760), (794, 24200), (880, 21835), (968, 19850), (1100, 17468), (1210, 15880), (1588, 12100), (1936, 9925), (1985, 9680), (2200, 8734), (2420, 7940), (3025, 6352), (3176, 6050), (3970, 4840), (4367, 4400)]