18514257951

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{288209}}^1$

素因数の和:288268

約数の個数: 48

約数和(自身を含む): 31541702400

約数和(自身を除く): 13027444449

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 399, 437, 483, 931, 1127, 1311, 2793, 3059, 3381, 9177, 21413, 64239, 288209, 864627, 2017463, 5475971, 6052389, 6628807, 14122241, 16427913, 19886421, 38331797, 42366723, 46401649, 114995391, 125947333, 139204947, 268322579, 324811543, 377841999, 804967737, 881631331, 974434629, 2644893993, 6171419317, 18514257951]

約数ペア:

[(1, 18514257951), (3, 6171419317), (7, 2644893993), (19, 974434629), (21, 881631331), (23, 804967737), (49, 377841999), (57, 324811543), (69, 268322579), (133, 139204947), (147, 125947333), (161, 114995391), (399, 46401649), (437, 42366723), (483, 38331797), (931, 19886421), (1127, 16427913), (1311, 14122241), (2793, 6628807), (3059, 6052389), (3381, 5475971), (9177, 2017463), (21413, 864627), (64239, 288209)]