18997515

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6301}}^1$

素因数の和:6379

約数の個数: 24

約数和(自身を含む): 33425808

約数和(自身を除く): 14428293

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6301, 18903, 31505, 56709, 94515, 283545, 422167, 1266501, 2110835, 3799503, 6332505, 18997515]

約数ペア:

[(1, 18997515), (3, 6332505), (5, 3799503), (9, 2110835), (15, 1266501), (45, 422167), (67, 283545), (201, 94515), (335, 56709), (603, 31505), (1005, 18903), (3015, 6301)]