18691946

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3366

約数の個数: 32

約数和(自身を含む): 35632128

約数和(自身を除く): 16940182

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3313, 5642, 6626, 23191, 43069, 46382, 86138, 102703, 205406, 301483, 602966, 718921, 1335139, 1437842, 2670278, 9345973, 18691946]

約数ペア:

[(1, 18691946), (2, 9345973), (7, 2670278), (13, 1437842), (14, 1335139), (26, 718921), (31, 602966), (62, 301483), (91, 205406), (182, 102703), (217, 86138), (403, 46382), (434, 43069), (806, 23191), (2821, 6626), (3313, 5642)]