18128790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1283}}^1$

素因数の和:1453

約数の個数: 48

約数和(自身を含む): 47472048

約数和(自身を除く): 29343258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1283, 1413, 1570, 2355, 2566, 2826, 3849, 4710, 6415, 7065, 7698, 11547, 12830, 14130, 19245, 23094, 38490, 57735, 115470, 201431, 402862, 604293, 1007155, 1208586, 1812879, 2014310, 3021465, 3625758, 6042930, 9064395, 18128790]

約数ペア:

[(1, 18128790), (2, 9064395), (3, 6042930), (5, 3625758), (6, 3021465), (9, 2014310), (10, 1812879), (15, 1208586), (18, 1007155), (30, 604293), (45, 402862), (90, 201431), (157, 115470), (314, 57735), (471, 38490), (785, 23094), (942, 19245), (1283, 14130), (1413, 12830), (1570, 11547), (2355, 7698), (2566, 7065), (2826, 6415), (3849, 4710)]