18854175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 33390720

約数和(自身を除く): 14536545

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 131, 285, 303, 393, 475, 505, 655, 1425, 1515, 1919, 1965, 2489, 2525, 3275, 5757, 7467, 7575, 9595, 9825, 12445, 13231, 28785, 37335, 39693, 47975, 62225, 66155, 143925, 186675, 198465, 251389, 330775, 754167, 992325, 1256945, 3770835, 6284725, 18854175]

約数ペア:

[(1, 18854175), (3, 6284725), (5, 3770835), (15, 1256945), (19, 992325), (25, 754167), (57, 330775), (75, 251389), (95, 198465), (101, 186675), (131, 143925), (285, 66155), (303, 62225), (393, 47975), (475, 39693), (505, 37335), (655, 28785), (1425, 13231), (1515, 12445), (1919, 9825), (1965, 9595), (2489, 7575), (2525, 7467), (3275, 5757)]