19354400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1894

約数の個数: 72

約数和(自身を含む): 50910804

約数和(自身を除く): 31556404

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1861, 2080, 2600, 3722, 5200, 7444, 9305, 10400, 14888, 18610, 24193, 29776, 37220, 46525, 48386, 59552, 74440, 93050, 96772, 120965, 148880, 186100, 193544, 241930, 297760, 372200, 387088, 483860, 604825, 744400, 774176, 967720, 1209650, 1488800, 1935440, 2419300, 3870880, 4838600, 9677200, 19354400]

約数ペア:

[(1, 19354400), (2, 9677200), (4, 4838600), (5, 3870880), (8, 2419300), (10, 1935440), (13, 1488800), (16, 1209650), (20, 967720), (25, 774176), (26, 744400), (32, 604825), (40, 483860), (50, 387088), (52, 372200), (65, 297760), (80, 241930), (100, 193544), (104, 186100), (130, 148880), (160, 120965), (200, 96772), (208, 93050), (260, 74440), (325, 59552), (400, 48386), (416, 46525), (520, 37220), (650, 29776), (800, 24193), (1040, 18610), (1300, 14888), (1861, 10400), (2080, 9305), (2600, 7444), (3722, 5200)]