18716360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35993}}^1$

素因数の和:36017

約数の個数: 32

約数和(自身を含む): 45352440

約数和(自身を除く): 26636080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35993, 71986, 143972, 179965, 287944, 359930, 467909, 719860, 935818, 1439720, 1871636, 2339545, 3743272, 4679090, 9358180, 18716360]

約数ペア:

[(1, 18716360), (2, 9358180), (4, 4679090), (5, 3743272), (8, 2339545), (10, 1871636), (13, 1439720), (20, 935818), (26, 719860), (40, 467909), (52, 359930), (65, 287944), (104, 179965), (130, 143972), (260, 71986), (520, 35993)]