18409992

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^2$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 47152560

約数和(自身を除く): 28742568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 107, 134, 201, 214, 268, 321, 402, 428, 536, 642, 804, 856, 1284, 1608, 2568, 7169, 11449, 14338, 21507, 22898, 28676, 34347, 43014, 45796, 57352, 68694, 86028, 91592, 137388, 172056, 274776, 767083, 1534166, 2301249, 3068332, 4602498, 6136664, 9204996, 18409992]

約数ペア:

[(1, 18409992), (2, 9204996), (3, 6136664), (4, 4602498), (6, 3068332), (8, 2301249), (12, 1534166), (24, 767083), (67, 274776), (107, 172056), (134, 137388), (201, 91592), (214, 86028), (268, 68694), (321, 57352), (402, 45796), (428, 43014), (536, 34347), (642, 28676), (804, 22898), (856, 21507), (1284, 14338), (1608, 11449), (2568, 7169)]