19676195

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 30250800

約数和(自身を除く): 10574605

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 149, 245, 343, 385, 539, 745, 1043, 1639, 1715, 2401, 2695, 3773, 5215, 7301, 8195, 11473, 12005, 18865, 26411, 36505, 51107, 57365, 80311, 132055, 255535, 357749, 401555, 562177, 1788745, 2810885, 3935239, 19676195]

約数ペア:

[(1, 19676195), (5, 3935239), (7, 2810885), (11, 1788745), (35, 562177), (49, 401555), (55, 357749), (77, 255535), (149, 132055), (245, 80311), (343, 57365), (385, 51107), (539, 36505), (745, 26411), (1043, 18865), (1639, 12005), (1715, 11473), (2401, 8195), (2695, 7301), (3773, 5215)]