19972365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 19508979

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 67, 85, 105, 119, 167, 201, 255, 335, 357, 469, 501, 595, 835, 1005, 1139, 1169, 1407, 1785, 2345, 2505, 2839, 3417, 3507, 5695, 5845, 7035, 7973, 8517, 11189, 14195, 17085, 17535, 19873, 23919, 33567, 39865, 42585, 55945, 59619, 78323, 99365, 119595, 167835, 190213, 234969, 298095, 391615, 570639, 951065, 1174845, 1331491, 2853195, 3994473, 6657455, 19972365]

約数ペア:

[(1, 19972365), (3, 6657455), (5, 3994473), (7, 2853195), (15, 1331491), (17, 1174845), (21, 951065), (35, 570639), (51, 391615), (67, 298095), (85, 234969), (105, 190213), (119, 167835), (167, 119595), (201, 99365), (255, 78323), (335, 59619), (357, 55945), (469, 42585), (501, 39865), (595, 33567), (835, 23919), (1005, 19873), (1139, 17535), (1169, 17085), (1407, 14195), (1785, 11189), (2345, 8517), (2505, 7973), (2839, 7035), (3417, 5845), (3507, 5695)]