72512018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 118272000

約数和(自身を除く): 45759982

約数列:

[1, 2, 19, 38, 43, 86, 199, 223, 398, 446, 817, 1634, 3781, 4237, 7562, 8474, 8557, 9589, 17114, 19178, 44377, 88754, 162583, 182191, 325166, 364382, 843163, 1686326, 1908211, 3816422, 36256009, 72512018]

約数ペア:

[(1, 72512018), (2, 36256009), (19, 3816422), (38, 1908211), (43, 1686326), (86, 843163), (199, 364382), (223, 325166), (398, 182191), (446, 162583), (817, 88754), (1634, 44377), (3781, 19178), (4237, 17114), (7562, 9589), (8474, 8557)]