1991466

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:680

約数の個数: 40

約数和(自身を含む): 4704480

約数和(自身を除く): 2713014

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 647, 1026, 1294, 1539, 1941, 3078, 3882, 5823, 11646, 12293, 17469, 24586, 34938, 36879, 52407, 73758, 104814, 110637, 221274, 331911, 663822, 995733, 1991466]

約数ペア:

[(1, 1991466), (2, 995733), (3, 663822), (6, 331911), (9, 221274), (18, 110637), (19, 104814), (27, 73758), (38, 52407), (54, 36879), (57, 34938), (81, 24586), (114, 17469), (162, 12293), (171, 11646), (342, 5823), (513, 3882), (647, 3078), (1026, 1941), (1294, 1539)]