18580653

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 33779200

約数和(自身を除く): 15198547

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 463, 637, 819, 1029, 1389, 1911, 3087, 3241, 4167, 4459, 5733, 6019, 9723, 13377, 18057, 22687, 29169, 40131, 42133, 54171, 68061, 126399, 158809, 204183, 294931, 379197, 476427, 884793, 1429281, 2064517, 2654379, 6193551, 18580653]

約数ペア:

[(1, 18580653), (3, 6193551), (7, 2654379), (9, 2064517), (13, 1429281), (21, 884793), (39, 476427), (49, 379197), (63, 294931), (91, 204183), (117, 158809), (147, 126399), (273, 68061), (343, 54171), (441, 42133), (463, 40131), (637, 29169), (819, 22687), (1029, 18057), (1389, 13377), (1911, 9723), (3087, 6019), (3241, 5733), (4167, 4459)]