19533999

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 8851281

約数列:

[1, 3, 31, 41, 47, 93, 109, 123, 141, 327, 1271, 1457, 1927, 3379, 3813, 4371, 4469, 5123, 5781, 10137, 13407, 15369, 59737, 138539, 158813, 179211, 210043, 415617, 476439, 630129, 6511333, 19533999]

約数ペア:

[(1, 19533999), (3, 6511333), (31, 630129), (41, 476439), (47, 415617), (93, 210043), (109, 179211), (123, 158813), (141, 138539), (327, 59737), (1271, 15369), (1457, 13407), (1927, 10137), (3379, 5781), (3813, 5123), (4371, 4469)]