19333420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 43491168

約数和(自身を除く): 24157748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 563, 1010, 1126, 1717, 2020, 2252, 2815, 3434, 5630, 6868, 8585, 9571, 11260, 17170, 19142, 34340, 38284, 47855, 56863, 95710, 113726, 191420, 227452, 284315, 568630, 966671, 1137260, 1933342, 3866684, 4833355, 9666710, 19333420]

約数ペア:

[(1, 19333420), (2, 9666710), (4, 4833355), (5, 3866684), (10, 1933342), (17, 1137260), (20, 966671), (34, 568630), (68, 284315), (85, 227452), (101, 191420), (170, 113726), (202, 95710), (340, 56863), (404, 47855), (505, 38284), (563, 34340), (1010, 19142), (1126, 17170), (1717, 11260), (2020, 9571), (2252, 8585), (2815, 6868), (3434, 5630)]