19693386

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 45489600

約数和(自身を除く): 25796214

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 171, 178, 267, 342, 534, 647, 801, 1294, 1602, 1691, 1941, 3382, 3882, 5073, 5823, 10146, 11646, 12293, 15219, 24586, 30438, 36879, 57583, 73758, 110637, 115166, 172749, 221274, 345498, 518247, 1036494, 1094077, 2188154, 3282231, 6564462, 9846693, 19693386]

約数ペア:

[(1, 19693386), (2, 9846693), (3, 6564462), (6, 3282231), (9, 2188154), (18, 1094077), (19, 1036494), (38, 518247), (57, 345498), (89, 221274), (114, 172749), (171, 115166), (178, 110637), (267, 73758), (342, 57583), (534, 36879), (647, 30438), (801, 24586), (1294, 15219), (1602, 12293), (1691, 11646), (1941, 10146), (3382, 5823), (3882, 5073)]