18766140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1217}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 52792992

約数和(自身を除く): 34026852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1217, 1285, 1542, 2434, 2570, 3084, 3651, 3855, 4868, 5140, 6085, 7302, 7710, 12170, 14604, 15420, 18255, 24340, 36510, 73020, 312769, 625538, 938307, 1251076, 1563845, 1876614, 3127690, 3753228, 4691535, 6255380, 9383070, 18766140]

約数ペア:

[(1, 18766140), (2, 9383070), (3, 6255380), (4, 4691535), (5, 3753228), (6, 3127690), (10, 1876614), (12, 1563845), (15, 1251076), (20, 938307), (30, 625538), (60, 312769), (257, 73020), (514, 36510), (771, 24340), (1028, 18255), (1217, 15420), (1285, 14604), (1542, 12170), (2434, 7710), (2570, 7302), (3084, 6085), (3651, 5140), (3855, 4868)]