19458166

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 40158720

約数和(自身を除く): 20700554

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 91, 119, 133, 182, 221, 238, 247, 266, 323, 331, 442, 494, 646, 662, 1547, 1729, 2261, 2317, 3094, 3458, 4199, 4303, 4522, 4634, 5627, 6289, 8398, 8606, 11254, 12578, 29393, 30121, 39389, 44023, 58786, 60242, 73151, 78778, 81757, 88046, 106913, 146302, 163514, 213826, 512057, 572299, 748391, 1024114, 1144598, 1389869, 1496782, 2779738, 9729083, 19458166]

約数ペア:

[(1, 19458166), (2, 9729083), (7, 2779738), (13, 1496782), (14, 1389869), (17, 1144598), (19, 1024114), (26, 748391), (34, 572299), (38, 512057), (91, 213826), (119, 163514), (133, 146302), (182, 106913), (221, 88046), (238, 81757), (247, 78778), (266, 73151), (323, 60242), (331, 58786), (442, 44023), (494, 39389), (646, 30121), (662, 29393), (1547, 12578), (1729, 11254), (2261, 8606), (2317, 8398), (3094, 6289), (3458, 5627), (4199, 4634), (4303, 4522)]