18306808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1709}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 37346400

約数和(自身を除く): 19039592

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 1709, 2678, 3418, 5356, 6836, 10712, 13672, 22217, 44434, 88868, 176027, 177736, 352054, 704108, 1408216, 2288351, 4576702, 9153404, 18306808]

約数ペア:

[(1, 18306808), (2, 9153404), (4, 4576702), (8, 2288351), (13, 1408216), (26, 704108), (52, 352054), (103, 177736), (104, 176027), (206, 88868), (412, 44434), (824, 22217), (1339, 13672), (1709, 10712), (2678, 6836), (3418, 5356)]