19219473

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 35316736

約数和(自身を除く): 16097263

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 757, 819, 1209, 1953, 2271, 2821, 3627, 5299, 6813, 8463, 9841, 15897, 23467, 25389, 29523, 47691, 68887, 70401, 88569, 164269, 206661, 211203, 305071, 492807, 619983, 915213, 1478421, 2135497, 2745639, 6406491, 19219473]

約数ペア:

[(1, 19219473), (3, 6406491), (7, 2745639), (9, 2135497), (13, 1478421), (21, 915213), (31, 619983), (39, 492807), (63, 305071), (91, 211203), (93, 206661), (117, 164269), (217, 88569), (273, 70401), (279, 68887), (403, 47691), (651, 29523), (757, 25389), (819, 23467), (1209, 15897), (1953, 9841), (2271, 8463), (2821, 6813), (3627, 5299)]