18435816

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 59616000

約数和(自身を除く): 41180184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 89, 108, 126, 137, 168, 178, 189, 216, 252, 267, 274, 356, 378, 411, 504, 534, 548, 623, 712, 756, 801, 822, 959, 1068, 1096, 1233, 1246, 1512, 1602, 1644, 1869, 1918, 2136, 2403, 2466, 2492, 2877, 3204, 3288, 3699, 3738, 3836, 4806, 4932, 4984, 5607, 5754, 6408, 7398, 7476, 7672, 8631, 9612, 9864, 11214, 11508, 12193, 14796, 14952, 16821, 17262, 19224, 22428, 23016, 24386, 25893, 29592, 33642, 34524, 36579, 44856, 48772, 51786, 67284, 69048, 73158, 85351, 97544, 103572, 109737, 134568, 146316, 170702, 207144, 219474, 256053, 292632, 329211, 341404, 438948, 512106, 658422, 682808, 768159, 877896, 1024212, 1316844, 1536318, 2048424, 2304477, 2633688, 3072636, 4608954, 6145272, 9217908, 18435816]

約数ペア:

[(1, 18435816), (2, 9217908), (3, 6145272), (4, 4608954), (6, 3072636), (7, 2633688), (8, 2304477), (9, 2048424), (12, 1536318), (14, 1316844), (18, 1024212), (21, 877896), (24, 768159), (27, 682808), (28, 658422), (36, 512106), (42, 438948), (54, 341404), (56, 329211), (63, 292632), (72, 256053), (84, 219474), (89, 207144), (108, 170702), (126, 146316), (137, 134568), (168, 109737), (178, 103572), (189, 97544), (216, 85351), (252, 73158), (267, 69048), (274, 67284), (356, 51786), (378, 48772), (411, 44856), (504, 36579), (534, 34524), (548, 33642), (623, 29592), (712, 25893), (756, 24386), (801, 23016), (822, 22428), (959, 19224), (1068, 17262), (1096, 16821), (1233, 14952), (1246, 14796), (1512, 12193), (1602, 11508), (1644, 11214), (1869, 9864), (1918, 9612), (2136, 8631), (2403, 7672), (2466, 7476), (2492, 7398), (2877, 6408), (3204, 5754), (3288, 5607), (3699, 4984), (3738, 4932), (3836, 4806)]