18978018

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2777}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 40803264

約数和(自身を除く): 21825246

約数列:

[1, 2, 3, 6, 17, 34, 51, 67, 102, 134, 201, 402, 1139, 2278, 2777, 3417, 5554, 6834, 8331, 16662, 47209, 94418, 141627, 186059, 283254, 372118, 558177, 1116354, 3163003, 6326006, 9489009, 18978018]

約数ペア:

[(1, 18978018), (2, 9489009), (3, 6326006), (6, 3163003), (17, 1116354), (34, 558177), (51, 372118), (67, 283254), (102, 186059), (134, 141627), (201, 94418), (402, 47209), (1139, 16662), (2278, 8331), (2777, 6834), (3417, 5554)]