19725225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20231}}^1$

素因数の和:20257

約数の個数: 24

約数和(自身を含む): 35122752

約数和(自身を除く): 15397527

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20231, 60693, 101155, 263003, 303465, 505775, 789009, 1315015, 1517325, 3945045, 6575075, 19725225]

約数ペア:

[(1, 19725225), (3, 6575075), (5, 3945045), (13, 1517325), (15, 1315015), (25, 789009), (39, 505775), (65, 303465), (75, 263003), (195, 101155), (325, 60693), (975, 20231)]