19555550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{947}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 42318720

約数和(自身を除く): 22763170

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 175, 295, 350, 413, 590, 826, 947, 1475, 1894, 2065, 2950, 4130, 4735, 6629, 9470, 10325, 13258, 20650, 23675, 33145, 47350, 55873, 66290, 111746, 165725, 279365, 331450, 391111, 558730, 782222, 1396825, 1955555, 2793650, 3911110, 9777775, 19555550]

約数ペア:

[(1, 19555550), (2, 9777775), (5, 3911110), (7, 2793650), (10, 1955555), (14, 1396825), (25, 782222), (35, 558730), (50, 391111), (59, 331450), (70, 279365), (118, 165725), (175, 111746), (295, 66290), (350, 55873), (413, 47350), (590, 33145), (826, 23675), (947, 20650), (1475, 13258), (1894, 10325), (2065, 9470), (2950, 6629), (4130, 4735)]