19869510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2357}}^1$

素因数の和:2648

約数の個数: 32

約数和(自身を含む): 47876832

約数和(自身を除く): 28007322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2357, 2810, 4215, 4714, 7071, 8430, 11785, 14142, 23570, 35355, 70710, 662317, 1324634, 1986951, 3311585, 3973902, 6623170, 9934755, 19869510]

約数ペア:

[(1, 19869510), (2, 9934755), (3, 6623170), (5, 3973902), (6, 3311585), (10, 1986951), (15, 1324634), (30, 662317), (281, 70710), (562, 35355), (843, 23570), (1405, 14142), (1686, 11785), (2357, 8430), (2810, 7071), (4215, 4714)]