18741008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8223

約数の個数: 40

約数和(自身を含む): 42663936

約数和(自身を除く): 23922928

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8191, 16382, 32764, 65528, 90101, 106483, 131056, 180202, 212966, 360404, 425932, 720808, 851864, 1171313, 1441616, 1703728, 2342626, 4685252, 9370504, 18741008]

約数ペア:

[(1, 18741008), (2, 9370504), (4, 4685252), (8, 2342626), (11, 1703728), (13, 1441616), (16, 1171313), (22, 851864), (26, 720808), (44, 425932), (52, 360404), (88, 212966), (104, 180202), (143, 131056), (176, 106483), (208, 90101), (286, 65528), (572, 32764), (1144, 16382), (2288, 8191)]