2018158587

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 3316528800

約数和(自身を除く): 1298370213

約数列:

[1, 3, 9, 17, 19, 51, 57, 61, 153, 171, 183, 323, 361, 549, 599, 969, 1037, 1083, 1159, 1797, 2907, 3111, 3249, 3477, 5391, 6137, 9333, 10183, 10431, 11381, 18411, 19703, 22021, 30549, 34143, 36539, 55233, 59109, 66063, 91647, 102429, 109617, 177327, 193477, 198189, 216239, 328851, 374357, 580431, 621163, 648717, 694241, 1123071, 1741293, 1863489, 1946151, 2082723, 3369213, 3676063, 5590467, 6248169, 11028189, 11802097, 13190579, 33084567, 35406291, 39571737, 106218873, 118715211, 224239843, 672719529, 2018158587]

約数ペア:

[(1, 2018158587), (3, 672719529), (9, 224239843), (17, 118715211), (19, 106218873), (51, 39571737), (57, 35406291), (61, 33084567), (153, 13190579), (171, 11802097), (183, 11028189), (323, 6248169), (361, 5590467), (549, 3676063), (599, 3369213), (969, 2082723), (1037, 1946151), (1083, 1863489), (1159, 1741293), (1797, 1123071), (2907, 694241), (3111, 648717), (3249, 621163), (3477, 580431), (5391, 374357), (6137, 328851), (9333, 216239), (10183, 198189), (10431, 193477), (11381, 177327), (18411, 109617), (19703, 102429), (22021, 91647), (30549, 66063), (34143, 59109), (36539, 55233)]