18977532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 50964480

約数和(自身を除く): 31986948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1439, 1884, 2198, 2878, 3297, 4317, 4396, 5756, 6594, 8634, 10073, 13188, 17268, 20146, 30219, 40292, 60438, 120876, 225923, 451846, 677769, 903692, 1355538, 1581461, 2711076, 3162922, 4744383, 6325844, 9488766, 18977532]

約数ペア:

[(1, 18977532), (2, 9488766), (3, 6325844), (4, 4744383), (6, 3162922), (7, 2711076), (12, 1581461), (14, 1355538), (21, 903692), (28, 677769), (42, 451846), (84, 225923), (157, 120876), (314, 60438), (471, 40292), (628, 30219), (942, 20146), (1099, 17268), (1439, 13188), (1884, 10073), (2198, 8634), (2878, 6594), (3297, 5756), (4317, 4396)]