19928288

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20089}}^1$

素因数の和:20130

約数の個数: 24

約数和(自身を含む): 40501440

約数和(自身を除く): 20573152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20089, 40178, 80356, 160712, 321424, 622759, 642848, 1245518, 2491036, 4982072, 9964144, 19928288]

約数ペア:

[(1, 19928288), (2, 9964144), (4, 4982072), (8, 2491036), (16, 1245518), (31, 642848), (32, 622759), (62, 321424), (124, 160712), (248, 80356), (496, 40178), (992, 20089)]