19894545

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13397}}^1$

素因数の和:13422

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 18691695

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13397, 40191, 66985, 120573, 147367, 200955, 361719, 442101, 602865, 736835, 1326303, 1808595, 2210505, 3978909, 6631515, 19894545]

約数ペア:

[(1, 19894545), (3, 6631515), (5, 3978909), (9, 2210505), (11, 1808595), (15, 1326303), (27, 736835), (33, 602865), (45, 442101), (55, 361719), (99, 200955), (135, 147367), (165, 120573), (297, 66985), (495, 40191), (1485, 13397)]