19734280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29021}}^1$

素因数の和:29049

約数の個数: 32

約数和(自身を含む): 47015640

約数和(自身を除く): 27281360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29021, 58042, 116084, 145105, 232168, 290210, 493357, 580420, 986714, 1160840, 1973428, 2466785, 3946856, 4933570, 9867140, 19734280]

約数ペア:

[(1, 19734280), (2, 9867140), (4, 4933570), (5, 3946856), (8, 2466785), (10, 1973428), (17, 1160840), (20, 986714), (34, 580420), (40, 493357), (68, 290210), (85, 232168), (136, 145105), (170, 116084), (340, 58042), (680, 29021)]