19215255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 32117760

約数和(自身を除く): 12902505

約数列:

[1, 3, 5, 15, 29, 87, 145, 163, 271, 435, 489, 813, 815, 1355, 2445, 4065, 4727, 7859, 14181, 23577, 23635, 39295, 44173, 70905, 117885, 132519, 220865, 662595, 1281017, 3843051, 6405085, 19215255]

約数ペア:

[(1, 19215255), (3, 6405085), (5, 3843051), (15, 1281017), (29, 662595), (87, 220865), (145, 132519), (163, 117885), (271, 70905), (435, 44173), (489, 39295), (813, 23635), (815, 23577), (1355, 14181), (2445, 7859), (4065, 4727)]