19739870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 37691136

約数和(自身を除く): 17951266

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1721, 2294, 3442, 5735, 8605, 11470, 17210, 53351, 63677, 106702, 127354, 266755, 318385, 533510, 636770, 1973987, 3947974, 9869935, 19739870]

約数ペア:

[(1, 19739870), (2, 9869935), (5, 3947974), (10, 1973987), (31, 636770), (37, 533510), (62, 318385), (74, 266755), (155, 127354), (185, 106702), (310, 63677), (370, 53351), (1147, 17210), (1721, 11470), (2294, 8605), (3442, 5735)]