18440288

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 38828160

約数和(自身を除く): 20387872

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 116, 124, 232, 248, 464, 496, 641, 899, 928, 992, 1282, 1798, 2564, 3596, 5128, 7192, 10256, 14384, 18589, 19871, 20512, 28768, 37178, 39742, 74356, 79484, 148712, 158968, 297424, 317936, 576259, 594848, 635872, 1152518, 2305036, 4610072, 9220144, 18440288]

約数ペア:

[(1, 18440288), (2, 9220144), (4, 4610072), (8, 2305036), (16, 1152518), (29, 635872), (31, 594848), (32, 576259), (58, 317936), (62, 297424), (116, 158968), (124, 148712), (232, 79484), (248, 74356), (464, 39742), (496, 37178), (641, 28768), (899, 20512), (928, 19871), (992, 18589), (1282, 14384), (1798, 10256), (2564, 7192), (3596, 5128)]