19989768

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{22511}}^1$

素因数の和:22557

約数の個数: 32

約数和(自身を含む): 51327360

約数和(自身を除く): 31337592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 22511, 45022, 67533, 90044, 135066, 180088, 270132, 540264, 832907, 1665814, 2498721, 3331628, 4997442, 6663256, 9994884, 19989768]

約数ペア:

[(1, 19989768), (2, 9994884), (3, 6663256), (4, 4997442), (6, 3331628), (8, 2498721), (12, 1665814), (24, 832907), (37, 540264), (74, 270132), (111, 180088), (148, 135066), (222, 90044), (296, 67533), (444, 45022), (888, 22511)]