19421600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2207}}^1$

素因数の和:2238

約数の個数: 72

約数和(自身を含む): 51746688

約数和(自身を除く): 32325088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2207, 4400, 4414, 8800, 8828, 11035, 17656, 22070, 24277, 35312, 44140, 48554, 55175, 70624, 88280, 97108, 110350, 121385, 176560, 194216, 220700, 242770, 353120, 388432, 441400, 485540, 606925, 776864, 882800, 971080, 1213850, 1765600, 1942160, 2427700, 3884320, 4855400, 9710800, 19421600]

約数ペア:

[(1, 19421600), (2, 9710800), (4, 4855400), (5, 3884320), (8, 2427700), (10, 1942160), (11, 1765600), (16, 1213850), (20, 971080), (22, 882800), (25, 776864), (32, 606925), (40, 485540), (44, 441400), (50, 388432), (55, 353120), (80, 242770), (88, 220700), (100, 194216), (110, 176560), (160, 121385), (176, 110350), (200, 97108), (220, 88280), (275, 70624), (352, 55175), (400, 48554), (440, 44140), (550, 35312), (800, 24277), (880, 22070), (1100, 17656), (1760, 11035), (2200, 8828), (2207, 8800), (4400, 4414)]