17946305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 24948000

約数和(自身を除く): 7001695

約数列:

[1, 5, 13, 17, 65, 85, 109, 149, 221, 545, 745, 1105, 1417, 1853, 1937, 2533, 7085, 9265, 9685, 12665, 16241, 24089, 32929, 81205, 120445, 164645, 211133, 276097, 1055665, 1380485, 3589261, 17946305]

約数ペア:

[(1, 17946305), (5, 3589261), (13, 1380485), (17, 1055665), (65, 276097), (85, 211133), (109, 164645), (149, 120445), (221, 81205), (545, 32929), (745, 24089), (1105, 16241), (1417, 12665), (1853, 9685), (1937, 9265), (2533, 7085)]