19825488

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:173

約数の個数: 90

約数和(自身を含む): 57932862

約数和(自身を除く): 38107374

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 61, 72, 74, 111, 122, 144, 148, 183, 222, 244, 296, 333, 366, 444, 488, 549, 592, 666, 732, 888, 976, 1098, 1332, 1464, 1776, 2196, 2257, 2664, 2928, 3721, 4392, 4514, 5328, 6771, 7442, 8784, 9028, 11163, 13542, 14884, 18056, 20313, 22326, 27084, 29768, 33489, 36112, 40626, 44652, 54168, 59536, 66978, 81252, 89304, 108336, 133956, 137677, 162504, 178608, 267912, 275354, 325008, 413031, 535824, 550708, 826062, 1101416, 1239093, 1652124, 2202832, 2478186, 3304248, 4956372, 6608496, 9912744, 19825488]

約数ペア:

[(1, 19825488), (2, 9912744), (3, 6608496), (4, 4956372), (6, 3304248), (8, 2478186), (9, 2202832), (12, 1652124), (16, 1239093), (18, 1101416), (24, 826062), (36, 550708), (37, 535824), (48, 413031), (61, 325008), (72, 275354), (74, 267912), (111, 178608), (122, 162504), (144, 137677), (148, 133956), (183, 108336), (222, 89304), (244, 81252), (296, 66978), (333, 59536), (366, 54168), (444, 44652), (488, 40626), (549, 36112), (592, 33489), (666, 29768), (732, 27084), (888, 22326), (976, 20313), (1098, 18056), (1332, 14884), (1464, 13542), (1776, 11163), (2196, 9028), (2257, 8784), (2664, 7442), (2928, 6771), (3721, 5328), (4392, 4514)]