18830425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 25444800

約数和(自身を除く): 6614375

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1367, 2755, 6835, 13775, 25973, 34175, 39643, 129865, 198215, 649325, 753217, 991075, 3766085, 18830425]

約数ペア:

[(1, 18830425), (5, 3766085), (19, 991075), (25, 753217), (29, 649325), (95, 198215), (145, 129865), (475, 39643), (551, 34175), (725, 25973), (1367, 13775), (2755, 6835)]