19980366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{283}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 46975872

約数和(自身を除く): 26995506

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 283, 287, 566, 574, 849, 861, 1681, 1698, 1722, 1981, 3362, 3962, 5043, 5943, 10086, 11603, 11767, 11886, 23206, 23534, 34809, 35301, 69618, 70602, 81221, 162442, 243663, 475723, 487326, 951446, 1427169, 2854338, 3330061, 6660122, 9990183, 19980366]

約数ペア:

[(1, 19980366), (2, 9990183), (3, 6660122), (6, 3330061), (7, 2854338), (14, 1427169), (21, 951446), (41, 487326), (42, 475723), (82, 243663), (123, 162442), (246, 81221), (283, 70602), (287, 69618), (566, 35301), (574, 34809), (849, 23534), (861, 23206), (1681, 11886), (1698, 11767), (1722, 11603), (1981, 10086), (3362, 5943), (3962, 5043)]