19795395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 33825600

約数和(自身を除く): 14030205

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 521, 745, 1563, 2235, 2533, 2605, 7599, 7815, 8857, 12665, 26571, 37995, 44285, 77629, 132855, 232887, 388145, 1164435, 1319693, 3959079, 6598465, 19795395]

約数ペア:

[(1, 19795395), (3, 6598465), (5, 3959079), (15, 1319693), (17, 1164435), (51, 388145), (85, 232887), (149, 132855), (255, 77629), (447, 44285), (521, 37995), (745, 26571), (1563, 12665), (2235, 8857), (2533, 7815), (2605, 7599)]