19818801

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1429}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 30338880

約数和(自身を除く): 10520079

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1429, 1541, 4287, 4623, 12861, 13869, 32867, 95743, 98601, 287229, 295803, 861687, 2202089, 6606267, 19818801]

約数ペア:

[(1, 19818801), (3, 6606267), (9, 2202089), (23, 861687), (67, 295803), (69, 287229), (201, 98601), (207, 95743), (603, 32867), (1429, 13869), (1541, 12861), (4287, 4623)]