18025540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5333}}^1$

素因数の和:5368

約数の個数: 36

約数和(自身を含む): 40997124

約数和(自身を除く): 22971584

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5333, 10666, 21332, 26665, 53330, 69329, 106660, 138658, 277316, 346645, 693290, 901277, 1386580, 1802554, 3605108, 4506385, 9012770, 18025540]

約数ペア:

[(1, 18025540), (2, 9012770), (4, 4506385), (5, 3605108), (10, 1802554), (13, 1386580), (20, 901277), (26, 693290), (52, 346645), (65, 277316), (130, 138658), (169, 106660), (260, 69329), (338, 53330), (676, 26665), (845, 21332), (1690, 10666), (3380, 5333)]