18388965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 34670592

約数和(自身を除く): 16281627

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 147, 197, 245, 381, 591, 635, 735, 889, 985, 1379, 1905, 2667, 2955, 4137, 4445, 6223, 6895, 9653, 13335, 18669, 20685, 25019, 28959, 31115, 48265, 75057, 93345, 125095, 144795, 175133, 375285, 525399, 875665, 1225931, 2626995, 3677793, 6129655, 18388965]

約数ペア:

[(1, 18388965), (3, 6129655), (5, 3677793), (7, 2626995), (15, 1225931), (21, 875665), (35, 525399), (49, 375285), (105, 175133), (127, 144795), (147, 125095), (197, 93345), (245, 75057), (381, 48265), (591, 31115), (635, 28959), (735, 25019), (889, 20685), (985, 18669), (1379, 13335), (1905, 9653), (2667, 6895), (2955, 6223), (4137, 4445)]