19441590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2213

約数の個数: 64

約数和(自身を含む): 54590976

約数和(自身を除く): 35149386

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2153, 3010, 4306, 4515, 6459, 9030, 10765, 12918, 15071, 21530, 30142, 32295, 45213, 64590, 75355, 90426, 92579, 150710, 185158, 226065, 277737, 452130, 462895, 555474, 648053, 925790, 1296106, 1388685, 1944159, 2777370, 3240265, 3888318, 6480530, 9720795, 19441590]

約数ペア:

[(1, 19441590), (2, 9720795), (3, 6480530), (5, 3888318), (6, 3240265), (7, 2777370), (10, 1944159), (14, 1388685), (15, 1296106), (21, 925790), (30, 648053), (35, 555474), (42, 462895), (43, 452130), (70, 277737), (86, 226065), (105, 185158), (129, 150710), (210, 92579), (215, 90426), (258, 75355), (301, 64590), (430, 45213), (602, 32295), (645, 30142), (903, 21530), (1290, 15071), (1505, 12918), (1806, 10765), (2153, 9030), (3010, 6459), (4306, 4515)]