38989904

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{2459}}^1$

素因数の和:3458

約数の個数: 20

約数和(自身を含む): 75649920

約数和(自身を除く): 36660016

約数列:

[1, 2, 4, 8, 16, 991, 1982, 2459, 3964, 4918, 7928, 9836, 15856, 19672, 39344, 2436869, 4873738, 9747476, 19494952, 38989904]

約数ペア:

[(1, 38989904), (2, 19494952), (4, 9747476), (8, 4873738), (16, 2436869), (991, 39344), (1982, 19672), (2459, 15856), (3964, 9836), (4918, 7928)]