18779390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 41969664

約数和(自身を除く): 23190274

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 43, 70, 85, 86, 119, 170, 215, 238, 301, 367, 430, 595, 602, 731, 734, 1190, 1462, 1505, 1835, 2569, 3010, 3655, 3670, 5117, 5138, 6239, 7310, 10234, 12478, 12845, 15781, 25585, 25690, 31195, 31562, 43673, 51170, 62390, 78905, 87346, 110467, 157810, 218365, 220934, 268277, 436730, 536554, 552335, 1104670, 1341385, 1877939, 2682770, 3755878, 9389695, 18779390]

約数ペア:

[(1, 18779390), (2, 9389695), (5, 3755878), (7, 2682770), (10, 1877939), (14, 1341385), (17, 1104670), (34, 552335), (35, 536554), (43, 436730), (70, 268277), (85, 220934), (86, 218365), (119, 157810), (170, 110467), (215, 87346), (238, 78905), (301, 62390), (367, 51170), (430, 43673), (595, 31562), (602, 31195), (731, 25690), (734, 25585), (1190, 15781), (1462, 12845), (1505, 12478), (1835, 10234), (2569, 7310), (3010, 6239), (3655, 5138), (3670, 5117)]