19761420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47051}}^1$

素因数の和:47070

約数の個数: 48

約数和(自身を含む): 63237888

約数和(自身を除く): 43476468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47051, 94102, 141153, 188204, 235255, 282306, 329357, 470510, 564612, 658714, 705765, 941020, 988071, 1317428, 1411530, 1646785, 1976142, 2823060, 3293570, 3952284, 4940355, 6587140, 9880710, 19761420]

約数ペア:

[(1, 19761420), (2, 9880710), (3, 6587140), (4, 4940355), (5, 3952284), (6, 3293570), (7, 2823060), (10, 1976142), (12, 1646785), (14, 1411530), (15, 1317428), (20, 988071), (21, 941020), (28, 705765), (30, 658714), (35, 564612), (42, 470510), (60, 329357), (70, 282306), (84, 235255), (105, 188204), (140, 141153), (210, 94102), (420, 47051)]