18888360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 61585920

約数和(自身を除く): 42697560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 85, 94, 102, 120, 136, 141, 170, 188, 197, 204, 235, 255, 282, 340, 376, 394, 408, 470, 510, 564, 591, 680, 705, 788, 799, 940, 985, 1020, 1128, 1182, 1410, 1576, 1598, 1880, 1970, 2040, 2364, 2397, 2820, 2955, 3196, 3349, 3940, 3995, 4728, 4794, 5640, 5910, 6392, 6698, 7880, 7990, 9259, 9588, 10047, 11820, 11985, 13396, 15980, 16745, 18518, 19176, 20094, 23640, 23970, 26792, 27777, 31960, 33490, 37036, 40188, 46295, 47940, 50235, 55554, 66980, 74072, 80376, 92590, 95880, 100470, 111108, 133960, 138885, 157403, 185180, 200940, 222216, 277770, 314806, 370360, 401880, 472209, 555540, 629612, 787015, 944418, 1111080, 1259224, 1574030, 1888836, 2361045, 3148060, 3777672, 4722090, 6296120, 9444180, 18888360]

約数ペア:

[(1, 18888360), (2, 9444180), (3, 6296120), (4, 4722090), (5, 3777672), (6, 3148060), (8, 2361045), (10, 1888836), (12, 1574030), (15, 1259224), (17, 1111080), (20, 944418), (24, 787015), (30, 629612), (34, 555540), (40, 472209), (47, 401880), (51, 370360), (60, 314806), (68, 277770), (85, 222216), (94, 200940), (102, 185180), (120, 157403), (136, 138885), (141, 133960), (170, 111108), (188, 100470), (197, 95880), (204, 92590), (235, 80376), (255, 74072), (282, 66980), (340, 55554), (376, 50235), (394, 47940), (408, 46295), (470, 40188), (510, 37036), (564, 33490), (591, 31960), (680, 27777), (705, 26792), (788, 23970), (799, 23640), (940, 20094), (985, 19176), (1020, 18518), (1128, 16745), (1182, 15980), (1410, 13396), (1576, 11985), (1598, 11820), (1880, 10047), (1970, 9588), (2040, 9259), (2364, 7990), (2397, 7880), (2820, 6698), (2955, 6392), (3196, 5910), (3349, 5640), (3940, 4794), (3995, 4728)]