19801446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1399}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 45427200

約数和(自身を除く): 25625754

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 337, 674, 1011, 1399, 2022, 2359, 2798, 4197, 4718, 7077, 8394, 9793, 14154, 19586, 29379, 58758, 471463, 942926, 1414389, 2828778, 3300241, 6600482, 9900723, 19801446]

約数ペア:

[(1, 19801446), (2, 9900723), (3, 6600482), (6, 3300241), (7, 2828778), (14, 1414389), (21, 942926), (42, 471463), (337, 58758), (674, 29379), (1011, 19586), (1399, 14154), (2022, 9793), (2359, 8394), (2798, 7077), (4197, 4718)]