18197877

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 26928000

約数和(自身を除く): 8730123

約数列:

[1, 3, 19, 29, 57, 87, 101, 109, 303, 327, 551, 1653, 1919, 2071, 2929, 3161, 5757, 6213, 8787, 9483, 11009, 33027, 55651, 60059, 166953, 180177, 209171, 319261, 627513, 957783, 6065959, 18197877]

約数ペア:

[(1, 18197877), (3, 6065959), (19, 957783), (29, 627513), (57, 319261), (87, 209171), (101, 180177), (109, 166953), (303, 60059), (327, 55651), (551, 33027), (1653, 11009), (1919, 9483), (2071, 8787), (2929, 6213), (3161, 5757)]