18897894

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 44870400

約数和(自身を除く): 25972506

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 113, 114, 163, 171, 226, 326, 339, 342, 489, 513, 678, 978, 1017, 1026, 1467, 2034, 2147, 2934, 3051, 3097, 4294, 4401, 6102, 6194, 6441, 8802, 9291, 12882, 18419, 18582, 19323, 27873, 36838, 38646, 55257, 55746, 57969, 83619, 110514, 115938, 165771, 167238, 331542, 349961, 497313, 699922, 994626, 1049883, 2099766, 3149649, 6299298, 9448947, 18897894]

約数ペア:

[(1, 18897894), (2, 9448947), (3, 6299298), (6, 3149649), (9, 2099766), (18, 1049883), (19, 994626), (27, 699922), (38, 497313), (54, 349961), (57, 331542), (113, 167238), (114, 165771), (163, 115938), (171, 110514), (226, 83619), (326, 57969), (339, 55746), (342, 55257), (489, 38646), (513, 36838), (678, 27873), (978, 19323), (1017, 18582), (1026, 18419), (1467, 12882), (2034, 9291), (2147, 8802), (2934, 6441), (3051, 6194), (3097, 6102), (4294, 4401)]