18907336

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 41655600

約数和(自身を除く): 22748264

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 347, 392, 556, 694, 973, 1112, 1388, 1946, 2429, 2776, 3892, 4858, 6811, 7784, 9716, 13622, 17003, 19432, 27244, 34006, 48233, 54488, 68012, 96466, 136024, 192932, 337631, 385864, 675262, 1350524, 2363417, 2701048, 4726834, 9453668, 18907336]

約数ペア:

[(1, 18907336), (2, 9453668), (4, 4726834), (7, 2701048), (8, 2363417), (14, 1350524), (28, 675262), (49, 385864), (56, 337631), (98, 192932), (139, 136024), (196, 96466), (278, 68012), (347, 54488), (392, 48233), (556, 34006), (694, 27244), (973, 19432), (1112, 17003), (1388, 13622), (1946, 9716), (2429, 7784), (2776, 6811), (3892, 4858)]