19820814

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 44021712

約数和(自身を除く): 24200898

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 73, 78, 118, 146, 177, 219, 354, 438, 767, 949, 1534, 1898, 2301, 2847, 3481, 4307, 4602, 5694, 6962, 8614, 10443, 12921, 20886, 25842, 45253, 55991, 90506, 111982, 135759, 167973, 254113, 271518, 335946, 508226, 762339, 1524678, 3303469, 6606938, 9910407, 19820814]

約数ペア:

[(1, 19820814), (2, 9910407), (3, 6606938), (6, 3303469), (13, 1524678), (26, 762339), (39, 508226), (59, 335946), (73, 271518), (78, 254113), (118, 167973), (146, 135759), (177, 111982), (219, 90506), (354, 55991), (438, 45253), (767, 25842), (949, 20886), (1534, 12921), (1898, 10443), (2301, 8614), (2847, 6962), (3481, 5694), (4307, 4602)]