18774855

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18549945

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 47, 55, 99, 135, 141, 165, 235, 269, 297, 423, 495, 517, 705, 807, 1269, 1345, 1485, 1551, 2115, 2421, 2585, 2959, 4035, 4653, 6345, 7263, 7755, 8877, 12105, 12643, 13959, 14795, 23265, 26631, 36315, 37929, 44385, 63215, 69795, 79893, 113787, 133155, 139073, 189645, 341361, 399465, 417219, 568935, 695365, 1251657, 1706805, 2086095, 3754971, 6258285, 18774855]

約数ペア:

[(1, 18774855), (3, 6258285), (5, 3754971), (9, 2086095), (11, 1706805), (15, 1251657), (27, 695365), (33, 568935), (45, 417219), (47, 399465), (55, 341361), (99, 189645), (135, 139073), (141, 133155), (165, 113787), (235, 79893), (269, 69795), (297, 63215), (423, 44385), (495, 37929), (517, 36315), (705, 26631), (807, 23265), (1269, 14795), (1345, 13959), (1485, 12643), (1551, 12105), (2115, 8877), (2421, 7755), (2585, 7263), (2959, 6345), (4035, 4653)]