18054372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 49796544

約数和(自身を除く): 31742172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 157, 222, 259, 314, 444, 471, 518, 628, 777, 942, 1036, 1099, 1369, 1554, 1884, 2198, 2738, 3108, 3297, 4107, 4396, 5476, 5809, 6594, 8214, 9583, 11618, 13188, 16428, 17427, 19166, 23236, 28749, 34854, 38332, 40663, 57498, 69708, 81326, 114996, 121989, 162652, 214933, 243978, 429866, 487956, 644799, 859732, 1289598, 1504531, 2579196, 3009062, 4513593, 6018124, 9027186, 18054372]

約数ペア:

[(1, 18054372), (2, 9027186), (3, 6018124), (4, 4513593), (6, 3009062), (7, 2579196), (12, 1504531), (14, 1289598), (21, 859732), (28, 644799), (37, 487956), (42, 429866), (74, 243978), (84, 214933), (111, 162652), (148, 121989), (157, 114996), (222, 81326), (259, 69708), (314, 57498), (444, 40663), (471, 38332), (518, 34854), (628, 28749), (777, 23236), (942, 19166), (1036, 17427), (1099, 16428), (1369, 13188), (1554, 11618), (1884, 9583), (2198, 8214), (2738, 6594), (3108, 5809), (3297, 5476), (4107, 4396)]