19796280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23567}}^1$

素因数の和:23588

約数の個数: 64

約数和(自身を含む): 67875840

約数和(自身を除く): 48079560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23567, 47134, 70701, 94268, 117835, 141402, 164969, 188536, 235670, 282804, 329938, 353505, 471340, 494907, 565608, 659876, 707010, 824845, 942680, 989814, 1319752, 1414020, 1649690, 1979628, 2474535, 2828040, 3299380, 3959256, 4949070, 6598760, 9898140, 19796280]

約数ペア:

[(1, 19796280), (2, 9898140), (3, 6598760), (4, 4949070), (5, 3959256), (6, 3299380), (7, 2828040), (8, 2474535), (10, 1979628), (12, 1649690), (14, 1414020), (15, 1319752), (20, 989814), (21, 942680), (24, 824845), (28, 707010), (30, 659876), (35, 565608), (40, 494907), (42, 471340), (56, 353505), (60, 329938), (70, 282804), (84, 235670), (105, 188536), (120, 164969), (140, 141402), (168, 117835), (210, 94268), (280, 70701), (420, 47134), (840, 23567)]