19983922

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 35546112

約数和(自身を除く): 15562190

約数列:

[1, 2, 7, 14, 37, 74, 173, 223, 259, 346, 446, 518, 1211, 1561, 2422, 3122, 6401, 8251, 12802, 16502, 38579, 44807, 57757, 77158, 89614, 115514, 270053, 540106, 1427423, 2854846, 9991961, 19983922]

約数ペア:

[(1, 19983922), (2, 9991961), (7, 2854846), (14, 1427423), (37, 540106), (74, 270053), (173, 115514), (223, 89614), (259, 77158), (346, 57757), (446, 44807), (518, 38579), (1211, 16502), (1561, 12802), (2422, 8251), (3122, 6401)]