19828996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:852

約数の個数: 36

約数和(自身を含む): 38912076

約数和(自身を除く): 19083080

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 121, 212, 242, 484, 583, 773, 1166, 1546, 2332, 3092, 6413, 8503, 12826, 17006, 25652, 34012, 40969, 81938, 93533, 163876, 187066, 374132, 450659, 901318, 1802636, 4957249, 9914498, 19828996]

約数ペア:

[(1, 19828996), (2, 9914498), (4, 4957249), (11, 1802636), (22, 901318), (44, 450659), (53, 374132), (106, 187066), (121, 163876), (212, 93533), (242, 81938), (484, 40969), (583, 34012), (773, 25652), (1166, 17006), (1546, 12826), (2332, 8503), (3092, 6413)]