18665268

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 45372096

約数和(自身を除く): 26706828

約数列:

[1, 2, 3, 4, 6, 12, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 516, 593, 732, 1186, 1779, 2372, 2623, 3558, 5246, 7116, 7869, 10492, 15738, 25499, 31476, 36173, 50998, 72346, 76497, 101996, 108519, 144692, 152994, 217038, 305988, 434076, 1555439, 3110878, 4666317, 6221756, 9332634, 18665268]

約数ペア:

[(1, 18665268), (2, 9332634), (3, 6221756), (4, 4666317), (6, 3110878), (12, 1555439), (43, 434076), (61, 305988), (86, 217038), (122, 152994), (129, 144692), (172, 108519), (183, 101996), (244, 76497), (258, 72346), (366, 50998), (516, 36173), (593, 31476), (732, 25499), (1186, 15738), (1779, 10492), (2372, 7869), (2623, 7116), (3558, 5246)]