18887634

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 26472366

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 82, 114, 123, 171, 246, 342, 369, 449, 513, 738, 779, 898, 1026, 1107, 1347, 1558, 2214, 2337, 2694, 4041, 4674, 7011, 8082, 8531, 12123, 14022, 17062, 18409, 21033, 24246, 25593, 36818, 42066, 51186, 55227, 76779, 110454, 153558, 165681, 230337, 331362, 349771, 460674, 497043, 699542, 994086, 1049313, 2098626, 3147939, 6295878, 9443817, 18887634]

約数ペア:

[(1, 18887634), (2, 9443817), (3, 6295878), (6, 3147939), (9, 2098626), (18, 1049313), (19, 994086), (27, 699542), (38, 497043), (41, 460674), (54, 349771), (57, 331362), (82, 230337), (114, 165681), (123, 153558), (171, 110454), (246, 76779), (342, 55227), (369, 51186), (449, 42066), (513, 36818), (738, 25593), (779, 24246), (898, 21033), (1026, 18409), (1107, 17062), (1347, 14022), (1558, 12123), (2214, 8531), (2337, 8082), (2694, 7011), (4041, 4674)]