18157256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 19037944

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2459, 3692, 4918, 7384, 9836, 19672, 31967, 63934, 127868, 174589, 255736, 349178, 698356, 1396712, 2269657, 4539314, 9078628, 18157256]

約数ペア:

[(1, 18157256), (2, 9078628), (4, 4539314), (8, 2269657), (13, 1396712), (26, 698356), (52, 349178), (71, 255736), (104, 174589), (142, 127868), (284, 63934), (568, 31967), (923, 19672), (1846, 9836), (2459, 7384), (3692, 4918)]