19718006

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 17779594

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 2099, 4198, 4697, 9394, 14693, 23089, 29386, 46178, 128039, 161623, 256078, 323246, 896273, 1408429, 1792546, 2816858, 9859003, 19718006]

約数ペア:

[(1, 19718006), (2, 9859003), (7, 2816858), (11, 1792546), (14, 1408429), (22, 896273), (61, 323246), (77, 256078), (122, 161623), (154, 128039), (427, 46178), (671, 29386), (854, 23089), (1342, 14693), (2099, 9394), (4198, 4697)]