18309340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 47779200

約数和(自身を除く): 29469860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 157, 170, 196, 238, 245, 314, 340, 343, 476, 490, 595, 628, 686, 785, 833, 980, 1099, 1190, 1372, 1570, 1666, 1715, 2198, 2380, 2669, 3140, 3332, 3430, 4165, 4396, 5338, 5495, 5831, 6860, 7693, 8330, 10676, 10990, 11662, 13345, 15386, 16660, 18683, 21980, 23324, 26690, 29155, 30772, 37366, 38465, 53380, 53851, 58310, 74732, 76930, 93415, 107702, 116620, 130781, 153860, 186830, 215404, 261562, 269255, 373660, 523124, 538510, 653905, 915467, 1077020, 1307810, 1830934, 2615620, 3661868, 4577335, 9154670, 18309340]

約数ペア:

[(1, 18309340), (2, 9154670), (4, 4577335), (5, 3661868), (7, 2615620), (10, 1830934), (14, 1307810), (17, 1077020), (20, 915467), (28, 653905), (34, 538510), (35, 523124), (49, 373660), (68, 269255), (70, 261562), (85, 215404), (98, 186830), (119, 153860), (140, 130781), (157, 116620), (170, 107702), (196, 93415), (238, 76930), (245, 74732), (314, 58310), (340, 53851), (343, 53380), (476, 38465), (490, 37366), (595, 30772), (628, 29155), (686, 26690), (785, 23324), (833, 21980), (980, 18683), (1099, 16660), (1190, 15386), (1372, 13345), (1570, 11662), (1666, 10990), (1715, 10676), (2198, 8330), (2380, 7693), (2669, 6860), (3140, 5831), (3332, 5495), (3430, 5338), (4165, 4396)]