18230660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1217}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 25968124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1217, 1498, 2140, 2434, 2996, 3745, 4868, 6085, 7490, 8519, 12170, 14980, 17038, 24340, 34076, 42595, 85190, 130219, 170380, 260438, 520876, 651095, 911533, 1302190, 1823066, 2604380, 3646132, 4557665, 9115330, 18230660]

約数ペア:

[(1, 18230660), (2, 9115330), (4, 4557665), (5, 3646132), (7, 2604380), (10, 1823066), (14, 1302190), (20, 911533), (28, 651095), (35, 520876), (70, 260438), (107, 170380), (140, 130219), (214, 85190), (428, 42595), (535, 34076), (749, 24340), (1070, 17038), (1217, 14980), (1498, 12170), (2140, 8519), (2434, 7490), (2996, 6085), (3745, 4868)]