18372861

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{421}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 28724696

約数和(自身を除く): 10351835

約数列:

[1, 3, 9, 13, 39, 117, 373, 421, 1119, 1263, 3357, 3789, 4849, 5473, 14547, 16419, 43641, 49257, 157033, 471099, 1413297, 2041429, 6124287, 18372861]

約数ペア:

[(1, 18372861), (3, 6124287), (9, 2041429), (13, 1413297), (39, 471099), (117, 157033), (373, 49257), (421, 43641), (1119, 16419), (1263, 14547), (3357, 5473), (3789, 4849)]