19188575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 29760000

約数和(自身を除く): 10571425

約数列:

[1, 5, 7, 19, 25, 29, 35, 95, 133, 145, 175, 199, 203, 475, 551, 665, 725, 995, 1015, 1393, 2755, 3325, 3781, 3857, 4975, 5075, 5771, 6965, 13775, 18905, 19285, 26467, 28855, 34825, 40397, 94525, 96425, 109649, 132335, 144275, 201985, 548245, 661675, 767543, 1009925, 2741225, 3837715, 19188575]

約数ペア:

[(1, 19188575), (5, 3837715), (7, 2741225), (19, 1009925), (25, 767543), (29, 661675), (35, 548245), (95, 201985), (133, 144275), (145, 132335), (175, 109649), (199, 96425), (203, 94525), (475, 40397), (551, 34825), (665, 28855), (725, 26467), (995, 19285), (1015, 18905), (1393, 13775), (2755, 6965), (3325, 5771), (3781, 5075), (3857, 4975)]