19460530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 36816768

約数和(自身を除く): 17356238

約数列:

[1, 2, 5, 10, 23, 46, 115, 211, 230, 401, 422, 802, 1055, 2005, 2110, 4010, 4853, 9223, 9706, 18446, 24265, 46115, 48530, 84611, 92230, 169222, 423055, 846110, 1946053, 3892106, 9730265, 19460530]

約数ペア:

[(1, 19460530), (2, 9730265), (5, 3892106), (10, 1946053), (23, 846110), (46, 423055), (115, 169222), (211, 92230), (230, 84611), (401, 48530), (422, 46115), (802, 24265), (1055, 18446), (2005, 9706), (2110, 9223), (4010, 4853)]