18951906

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 23816094

約数列:

[1, 2, 3, 6, 17, 29, 34, 43, 51, 58, 86, 87, 102, 129, 149, 174, 258, 298, 447, 493, 731, 894, 986, 1247, 1462, 1479, 2193, 2494, 2533, 2958, 3741, 4321, 4386, 5066, 6407, 7482, 7599, 8642, 12814, 12963, 15198, 19221, 21199, 25926, 38442, 42398, 63597, 73457, 108919, 127194, 146914, 185803, 217838, 220371, 326757, 371606, 440742, 557409, 653514, 1114818, 3158651, 6317302, 9475953, 18951906]

約数ペア:

[(1, 18951906), (2, 9475953), (3, 6317302), (6, 3158651), (17, 1114818), (29, 653514), (34, 557409), (43, 440742), (51, 371606), (58, 326757), (86, 220371), (87, 217838), (102, 185803), (129, 146914), (149, 127194), (174, 108919), (258, 73457), (298, 63597), (447, 42398), (493, 38442), (731, 25926), (894, 21199), (986, 19221), (1247, 15198), (1462, 12963), (1479, 12814), (2193, 8642), (2494, 7599), (2533, 7482), (2958, 6407), (3741, 5066), (4321, 4386)]