18737019

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 32927232

約数和(自身を除く): 14190213

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 161, 193, 201, 207, 469, 483, 579, 603, 1351, 1407, 1449, 1541, 1737, 4053, 4221, 4439, 4623, 10787, 12159, 12931, 13317, 13869, 31073, 32361, 38793, 39951, 90517, 93219, 97083, 116379, 271551, 279657, 297413, 814653, 892239, 2081891, 2676717, 6245673, 18737019]

約数ペア:

[(1, 18737019), (3, 6245673), (7, 2676717), (9, 2081891), (21, 892239), (23, 814653), (63, 297413), (67, 279657), (69, 271551), (161, 116379), (193, 97083), (201, 93219), (207, 90517), (469, 39951), (483, 38793), (579, 32361), (603, 31073), (1351, 13869), (1407, 13317), (1449, 12931), (1541, 12159), (1737, 10787), (4053, 4623), (4221, 4439)]