19565200

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1252

約数の個数: 60

約数和(自身を含む): 48192228

約数和(自身を除く): 28627028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1193, 1640, 2050, 2386, 3280, 4100, 4772, 5965, 8200, 9544, 11930, 16400, 19088, 23860, 29825, 47720, 48913, 59650, 95440, 97826, 119300, 195652, 238600, 244565, 391304, 477200, 489130, 782608, 978260, 1222825, 1956520, 2445650, 3913040, 4891300, 9782600, 19565200]

約数ペア:

[(1, 19565200), (2, 9782600), (4, 4891300), (5, 3913040), (8, 2445650), (10, 1956520), (16, 1222825), (20, 978260), (25, 782608), (40, 489130), (41, 477200), (50, 391304), (80, 244565), (82, 238600), (100, 195652), (164, 119300), (200, 97826), (205, 95440), (328, 59650), (400, 48913), (410, 47720), (656, 29825), (820, 23860), (1025, 19088), (1193, 16400), (1640, 11930), (2050, 9544), (2386, 8200), (3280, 5965), (4100, 4772)]