12218805

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 23063040

約数和(自身を除く): 10844235

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 461, 465, 589, 855, 1383, 1395, 1767, 2305, 2945, 4149, 5301, 6915, 8759, 8835, 14291, 20745, 26277, 26505, 42873, 43795, 71455, 78831, 128619, 131385, 214365, 271529, 394155, 643095, 814587, 1357645, 2443761, 4072935, 12218805]

約数ペア:

[(1, 12218805), (3, 4072935), (5, 2443761), (9, 1357645), (15, 814587), (19, 643095), (31, 394155), (45, 271529), (57, 214365), (93, 131385), (95, 128619), (155, 78831), (171, 71455), (279, 43795), (285, 42873), (461, 26505), (465, 26277), (589, 20745), (855, 14291), (1383, 8835), (1395, 8759), (1767, 6915), (2305, 5301), (2945, 4149)]