381639472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1255393}}^1$

素因数の和:1255420

約数の個数: 20

約数和(自身を含む): 778344280

約数和(自身を除く): 396704808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1255393, 2510786, 5021572, 10043144, 20086288, 23852467, 47704934, 95409868, 190819736, 381639472]

約数ペア:

[(1, 381639472), (2, 190819736), (4, 95409868), (8, 47704934), (16, 23852467), (19, 20086288), (38, 10043144), (76, 5021572), (152, 2510786), (304, 1255393)]