19380016

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7253}}^1$

素因数の和:7428

約数の個数: 20

約数和(自身を含む): 37778832

約数和(自身を除く): 18398816

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7253, 14506, 29012, 58024, 116048, 1211251, 2422502, 4845004, 9690008, 19380016]

約数ペア:

[(1, 19380016), (2, 9690008), (4, 4845004), (8, 2422502), (16, 1211251), (167, 116048), (334, 58024), (668, 29012), (1336, 14506), (2672, 7253)]