18438350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 39580800

約数和(自身を除く): 21142450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 139, 175, 278, 350, 379, 695, 758, 973, 1390, 1895, 1946, 2653, 3475, 3790, 4865, 5306, 6950, 9475, 9730, 13265, 18950, 24325, 26530, 48650, 52681, 66325, 105362, 132650, 263405, 368767, 526810, 737534, 1317025, 1843835, 2634050, 3687670, 9219175, 18438350]

約数ペア:

[(1, 18438350), (2, 9219175), (5, 3687670), (7, 2634050), (10, 1843835), (14, 1317025), (25, 737534), (35, 526810), (50, 368767), (70, 263405), (139, 132650), (175, 105362), (278, 66325), (350, 52681), (379, 48650), (695, 26530), (758, 24325), (973, 18950), (1390, 13265), (1895, 9730), (1946, 9475), (2653, 6950), (3475, 5306), (3790, 4865)]