219919984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{723421}}^1$

素因数の和:723448

約数の個数: 20

約数和(自身を含む): 448521640

約数和(自身を除く): 228601656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 723421, 1446842, 2893684, 5787368, 11574736, 13744999, 27489998, 54979996, 109959992, 219919984]

約数ペア:

[(1, 219919984), (2, 109959992), (4, 54979996), (8, 27489998), (16, 13744999), (19, 11574736), (38, 5787368), (76, 2893684), (152, 1446842), (304, 723421)]