18829638

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2221}}^1$

素因数の和:2389

約数の個数: 32

約数和(自身を含む): 42129120

約数和(自身を除く): 23299482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2221, 2826, 4239, 4442, 6663, 8478, 13326, 19989, 39978, 59967, 119934, 348697, 697394, 1046091, 2092182, 3138273, 6276546, 9414819, 18829638]

約数ペア:

[(1, 18829638), (2, 9414819), (3, 6276546), (6, 3138273), (9, 2092182), (18, 1046091), (27, 697394), (54, 348697), (157, 119934), (314, 59967), (471, 39978), (942, 19989), (1413, 13326), (2221, 8478), (2826, 6663), (4239, 4442)]