19004215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 25380864

約数和(自身を除く): 6376649

約数列:

[1, 5, 17, 47, 67, 71, 85, 235, 335, 355, 799, 1139, 1207, 3149, 3337, 3995, 4757, 5695, 6035, 15745, 16685, 23785, 53533, 56729, 80869, 223579, 267665, 283645, 404345, 1117895, 3800843, 19004215]

約数ペア:

[(1, 19004215), (5, 3800843), (17, 1117895), (47, 404345), (67, 283645), (71, 267665), (85, 223579), (235, 80869), (335, 56729), (355, 53533), (799, 23785), (1139, 16685), (1207, 15745), (3149, 6035), (3337, 5695), (3995, 4757)]