19981026

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{28463}}^1$

素因数の和:28487

約数の個数: 32

約数和(自身を含む): 47819520

約数和(自身を除く): 27838494

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 28463, 56926, 85389, 170778, 256167, 370019, 512334, 740038, 768501, 1110057, 1537002, 2220114, 3330171, 6660342, 9990513, 19981026]

約数ペア:

[(1, 19981026), (2, 9990513), (3, 6660342), (6, 3330171), (9, 2220114), (13, 1537002), (18, 1110057), (26, 768501), (27, 740038), (39, 512334), (54, 370019), (78, 256167), (117, 170778), (234, 85389), (351, 56926), (702, 28463)]