19981206

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{158581}}^1$

素因数の和:158596

約数の個数: 24

約数和(自身を含む): 49477584

約数和(自身を除く): 29496378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 158581, 317162, 475743, 951486, 1110067, 1427229, 2220134, 2854458, 3330201, 6660402, 9990603, 19981206]

約数ペア:

[(1, 19981206), (2, 9990603), (3, 6660402), (6, 3330201), (7, 2854458), (9, 2220134), (14, 1427229), (18, 1110067), (21, 951486), (42, 475743), (63, 317162), (126, 158581)]