19071712975

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{7213}}^1$

素因数の和:7780

約数の個数: 48

約数和(自身を含む): 28016867520

約数和(自身を除く): 8945154545

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 521, 725, 1015, 2605, 3647, 5075, 7213, 13025, 15109, 18235, 36065, 50491, 75545, 91175, 105763, 180325, 209177, 252455, 377725, 528815, 1045885, 1262275, 1464239, 2644075, 3757973, 5229425, 7321195, 18789865, 26305811, 36605975, 93949325, 108981217, 131529055, 544906085, 657645275, 762868519, 2724530425, 3814342595, 19071712975]

約数ペア:

[(1, 19071712975), (5, 3814342595), (7, 2724530425), (25, 762868519), (29, 657645275), (35, 544906085), (145, 131529055), (175, 108981217), (203, 93949325), (521, 36605975), (725, 26305811), (1015, 18789865), (2605, 7321195), (3647, 5229425), (5075, 3757973), (7213, 2644075), (13025, 1464239), (15109, 1262275), (18235, 1045885), (36065, 528815), (50491, 377725), (75545, 252455), (91175, 209177), (105763, 180325)]