18777010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 23524430

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 62, 70, 85, 119, 155, 170, 217, 238, 310, 434, 509, 527, 595, 1018, 1054, 1085, 1190, 2170, 2545, 2635, 3563, 3689, 5090, 5270, 7126, 7378, 8653, 15779, 17306, 17815, 18445, 31558, 35630, 36890, 43265, 60571, 78895, 86530, 110453, 121142, 157790, 220906, 268243, 302855, 536486, 552265, 605710, 1104530, 1341215, 1877701, 2682430, 3755402, 9388505, 18777010]

約数ペア:

[(1, 18777010), (2, 9388505), (5, 3755402), (7, 2682430), (10, 1877701), (14, 1341215), (17, 1104530), (31, 605710), (34, 552265), (35, 536486), (62, 302855), (70, 268243), (85, 220906), (119, 157790), (155, 121142), (170, 110453), (217, 86530), (238, 78895), (310, 60571), (434, 43265), (509, 36890), (527, 35630), (595, 31558), (1018, 18445), (1054, 17815), (1085, 17306), (1190, 15779), (2170, 8653), (2545, 7378), (2635, 7126), (3563, 5270), (3689, 5090)]