18906904

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 36968400

約数和(自身を除く): 18061496

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 164, 236, 328, 472, 977, 1954, 2419, 3908, 4838, 7816, 9676, 19352, 40057, 57643, 80114, 115286, 160228, 230572, 320456, 461144, 2363363, 4726726, 9453452, 18906904]

約数ペア:

[(1, 18906904), (2, 9453452), (4, 4726726), (8, 2363363), (41, 461144), (59, 320456), (82, 230572), (118, 160228), (164, 115286), (236, 80114), (328, 57643), (472, 40057), (977, 19352), (1954, 9676), (2419, 7816), (3908, 4838)]