18658629

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 31187520

約数和(自身を除く): 12528891

約数列:

[1, 3, 9, 11, 29, 33, 67, 87, 97, 99, 201, 261, 291, 319, 603, 737, 873, 957, 1067, 1943, 2211, 2813, 2871, 3201, 5829, 6499, 6633, 8439, 9603, 17487, 19497, 21373, 25317, 30943, 58491, 64119, 71489, 92829, 188471, 192357, 214467, 278487, 565413, 643401, 1696239, 2073181, 6219543, 18658629]

約数ペア:

[(1, 18658629), (3, 6219543), (9, 2073181), (11, 1696239), (29, 643401), (33, 565413), (67, 278487), (87, 214467), (97, 192357), (99, 188471), (201, 92829), (261, 71489), (291, 64119), (319, 58491), (603, 30943), (737, 25317), (873, 21373), (957, 19497), (1067, 17487), (1943, 9603), (2211, 8439), (2813, 6633), (2871, 6499), (3201, 5829)]