18201795

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 30032640

約数和(自身を除く): 11830845

約数列:

[1, 3, 5, 15, 59, 131, 157, 177, 295, 393, 471, 655, 785, 885, 1965, 2355, 7729, 9263, 20567, 23187, 27789, 38645, 46315, 61701, 102835, 115935, 138945, 308505, 1213453, 3640359, 6067265, 18201795]

約数ペア:

[(1, 18201795), (3, 6067265), (5, 3640359), (15, 1213453), (59, 308505), (131, 138945), (157, 115935), (177, 102835), (295, 61701), (393, 46315), (471, 38645), (655, 27789), (785, 23187), (885, 20567), (1965, 9263), (2355, 7729)]