19779160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 49734000

約数和(自身を除く): 29954840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 59, 68, 85, 116, 118, 136, 145, 170, 232, 236, 289, 290, 295, 340, 472, 493, 578, 580, 590, 680, 986, 1003, 1156, 1160, 1180, 1445, 1711, 1972, 2006, 2312, 2360, 2465, 2890, 3422, 3944, 4012, 4930, 5015, 5780, 6844, 8024, 8381, 8555, 9860, 10030, 11560, 13688, 16762, 17051, 17110, 19720, 20060, 29087, 33524, 34102, 34220, 40120, 41905, 58174, 67048, 68204, 68440, 83810, 85255, 116348, 136408, 145435, 167620, 170510, 232696, 290870, 335240, 341020, 494479, 581740, 682040, 988958, 1163480, 1977916, 2472395, 3955832, 4944790, 9889580, 19779160]

約数ペア:

[(1, 19779160), (2, 9889580), (4, 4944790), (5, 3955832), (8, 2472395), (10, 1977916), (17, 1163480), (20, 988958), (29, 682040), (34, 581740), (40, 494479), (58, 341020), (59, 335240), (68, 290870), (85, 232696), (116, 170510), (118, 167620), (136, 145435), (145, 136408), (170, 116348), (232, 85255), (236, 83810), (289, 68440), (290, 68204), (295, 67048), (340, 58174), (472, 41905), (493, 40120), (578, 34220), (580, 34102), (590, 33524), (680, 29087), (986, 20060), (1003, 19720), (1156, 17110), (1160, 17051), (1180, 16762), (1445, 13688), (1711, 11560), (1972, 10030), (2006, 9860), (2312, 8555), (2360, 8381), (2465, 8024), (2890, 6844), (3422, 5780), (3944, 5015), (4012, 4930)]