18222260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1783}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 44357376

約数和(自身を除く): 26135116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1783, 2044, 2555, 3566, 5110, 7132, 8915, 10220, 12481, 17830, 24962, 35660, 49924, 62405, 124810, 130159, 249620, 260318, 520636, 650795, 911113, 1301590, 1822226, 2603180, 3644452, 4555565, 9111130, 18222260]

約数ペア:

[(1, 18222260), (2, 9111130), (4, 4555565), (5, 3644452), (7, 2603180), (10, 1822226), (14, 1301590), (20, 911113), (28, 650795), (35, 520636), (70, 260318), (73, 249620), (140, 130159), (146, 124810), (292, 62405), (365, 49924), (511, 35660), (730, 24962), (1022, 17830), (1460, 12481), (1783, 10220), (2044, 8915), (2555, 7132), (3566, 5110)]