18138132008

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{4337}}^1$

素因数の和:4650

約数の個数: 64

約数和(自身を含む): 35606304000

約数和(自身を除く): 17468171992

約数列:

[1, 2, 4, 8, 37, 71, 74, 142, 148, 199, 284, 296, 398, 568, 796, 1592, 2627, 4337, 5254, 7363, 8674, 10508, 14129, 14726, 17348, 21016, 28258, 29452, 34696, 56516, 58904, 113032, 160469, 307927, 320938, 522773, 615854, 641876, 863063, 1045546, 1231708, 1283752, 1726126, 2091092, 2463416, 3452252, 4182184, 6904504, 11393299, 22786598, 31933331, 45573196, 61277473, 63866662, 91146392, 122554946, 127733324, 245109892, 255466648, 490219784, 2267266501, 4534533002, 9069066004, 18138132008]

約数ペア:

[(1, 18138132008), (2, 9069066004), (4, 4534533002), (8, 2267266501), (37, 490219784), (71, 255466648), (74, 245109892), (142, 127733324), (148, 122554946), (199, 91146392), (284, 63866662), (296, 61277473), (398, 45573196), (568, 31933331), (796, 22786598), (1592, 11393299), (2627, 6904504), (4337, 4182184), (5254, 3452252), (7363, 2463416), (8674, 2091092), (10508, 1726126), (14129, 1283752), (14726, 1231708), (17348, 1045546), (21016, 863063), (28258, 641876), (29452, 615854), (34696, 522773), (56516, 320938), (58904, 307927), (113032, 160469)]