19994601

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 31881600

約数和(自身を除く): 11886999

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 1229, 1479, 3687, 5423, 13519, 16269, 20893, 35641, 40557, 62679, 106923, 229823, 392051, 605897, 689469, 1176153, 1817691, 6664867, 19994601]

約数ペア:

[(1, 19994601), (3, 6664867), (11, 1817691), (17, 1176153), (29, 689469), (33, 605897), (51, 392051), (87, 229823), (187, 106923), (319, 62679), (493, 40557), (561, 35641), (957, 20893), (1229, 16269), (1479, 13519), (3687, 5423)]