17924690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 37933272

約数和(自身を除く): 20008582

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 233, 245, 314, 466, 490, 785, 1099, 1165, 1570, 1631, 2198, 2330, 3262, 5495, 7693, 8155, 10990, 11417, 15386, 16310, 22834, 36581, 38465, 57085, 73162, 76930, 114170, 182905, 256067, 365810, 512134, 1280335, 1792469, 2560670, 3584938, 8962345, 17924690]

約数ペア:

[(1, 17924690), (2, 8962345), (5, 3584938), (7, 2560670), (10, 1792469), (14, 1280335), (35, 512134), (49, 365810), (70, 256067), (98, 182905), (157, 114170), (233, 76930), (245, 73162), (314, 57085), (466, 38465), (490, 36581), (785, 22834), (1099, 16310), (1165, 15386), (1570, 11417), (1631, 10990), (2198, 8155), (2330, 7693), (3262, 5495)]