18104220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4373}}^1$

素因数の和:4411

約数の個数: 72

約数和(自身を含む): 57316896

約数和(自身を除く): 39212676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4373, 8746, 13119, 17492, 21865, 26238, 39357, 43730, 52476, 65595, 78714, 87460, 100579, 131190, 157428, 196785, 201158, 262380, 301737, 393570, 402316, 502895, 603474, 787140, 905211, 1005790, 1206948, 1508685, 1810422, 2011580, 3017370, 3620844, 4526055, 6034740, 9052110, 18104220]

約数ペア:

[(1, 18104220), (2, 9052110), (3, 6034740), (4, 4526055), (5, 3620844), (6, 3017370), (9, 2011580), (10, 1810422), (12, 1508685), (15, 1206948), (18, 1005790), (20, 905211), (23, 787140), (30, 603474), (36, 502895), (45, 402316), (46, 393570), (60, 301737), (69, 262380), (90, 201158), (92, 196785), (115, 157428), (138, 131190), (180, 100579), (207, 87460), (230, 78714), (276, 65595), (345, 52476), (414, 43730), (460, 39357), (690, 26238), (828, 21865), (1035, 17492), (1380, 13119), (2070, 8746), (4140, 4373)]