18973696

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2647}}^1$

素因数の和:2674

約数の個数: 44

約数和(自身を含む): 43363648

約数和(自身を除く): 24389952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2647, 3584, 5294, 7168, 10588, 18529, 21176, 37058, 42352, 74116, 84704, 148232, 169408, 296464, 338816, 592928, 677632, 1185856, 1355264, 2371712, 2710528, 4743424, 9486848, 18973696]

約数ペア:

[(1, 18973696), (2, 9486848), (4, 4743424), (7, 2710528), (8, 2371712), (14, 1355264), (16, 1185856), (28, 677632), (32, 592928), (56, 338816), (64, 296464), (112, 169408), (128, 148232), (224, 84704), (256, 74116), (448, 42352), (512, 37058), (896, 21176), (1024, 18529), (1792, 10588), (2647, 7168), (3584, 5294)]