18497824

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 20451296

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 116, 124, 232, 248, 464, 496, 643, 899, 928, 992, 1286, 1798, 2572, 3596, 5144, 7192, 10288, 14384, 18647, 19933, 20576, 28768, 37294, 39866, 74588, 79732, 149176, 159464, 298352, 318928, 578057, 596704, 637856, 1156114, 2312228, 4624456, 9248912, 18497824]

約数ペア:

[(1, 18497824), (2, 9248912), (4, 4624456), (8, 2312228), (16, 1156114), (29, 637856), (31, 596704), (32, 578057), (58, 318928), (62, 298352), (116, 159464), (124, 149176), (232, 79732), (248, 74588), (464, 39866), (496, 37294), (643, 28768), (899, 20576), (928, 19933), (992, 18647), (1286, 14384), (1798, 10288), (2572, 7192), (3596, 5144)]