219903588

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{15233}}^1$

素因数の和:15644

約数の個数: 36

約数和(自身を含む): 557290188

約数和(自身を除く): 337386600

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1604, 2406, 3609, 4812, 7218, 14436, 15233, 30466, 45699, 60932, 91398, 137097, 182796, 274194, 548388, 6108433, 12216866, 18325299, 24433732, 36650598, 54975897, 73301196, 109951794, 219903588]

約数ペア:

[(1, 219903588), (2, 109951794), (3, 73301196), (4, 54975897), (6, 36650598), (9, 24433732), (12, 18325299), (18, 12216866), (36, 6108433), (401, 548388), (802, 274194), (1203, 182796), (1604, 137097), (2406, 91398), (3609, 60932), (4812, 45699), (7218, 30466), (14436, 15233)]