18807633

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 30918888

約数和(自身を除く): 12111255

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 337, 351, 477, 689, 1011, 1053, 1431, 2067, 3033, 4293, 4381, 6201, 9099, 13143, 17861, 18603, 27297, 39429, 53583, 55809, 118287, 160749, 232193, 354861, 482247, 696579, 1446741, 2089737, 6269211, 18807633]

約数ペア:

[(1, 18807633), (3, 6269211), (9, 2089737), (13, 1446741), (27, 696579), (39, 482247), (53, 354861), (81, 232193), (117, 160749), (159, 118287), (337, 55809), (351, 53583), (477, 39429), (689, 27297), (1011, 18603), (1053, 17861), (1431, 13143), (2067, 9099), (3033, 6201), (4293, 4381)]