19621160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 48157200

約数和(自身を除く): 28536040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 389, 485, 520, 776, 778, 970, 1261, 1556, 1940, 1945, 2522, 3112, 3880, 3890, 5044, 5057, 6305, 7780, 10088, 10114, 12610, 15560, 20228, 25220, 25285, 37733, 40456, 50440, 50570, 75466, 101140, 150932, 188665, 202280, 301864, 377330, 490529, 754660, 981058, 1509320, 1962116, 2452645, 3924232, 4905290, 9810580, 19621160]

約数ペア:

[(1, 19621160), (2, 9810580), (4, 4905290), (5, 3924232), (8, 2452645), (10, 1962116), (13, 1509320), (20, 981058), (26, 754660), (40, 490529), (52, 377330), (65, 301864), (97, 202280), (104, 188665), (130, 150932), (194, 101140), (260, 75466), (388, 50570), (389, 50440), (485, 40456), (520, 37733), (776, 25285), (778, 25220), (970, 20228), (1261, 15560), (1556, 12610), (1940, 10114), (1945, 10088), (2522, 7780), (3112, 6305), (3880, 5057), (3890, 5044)]