19926396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 38255364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 739, 749, 963, 1284, 1478, 1498, 1926, 2217, 2247, 2956, 2996, 3852, 4434, 4494, 5173, 6651, 6741, 8868, 8988, 10346, 13302, 13482, 15519, 20692, 26604, 26964, 31038, 46557, 62076, 79073, 93114, 158146, 186228, 237219, 316292, 474438, 553511, 711657, 948876, 1107022, 1423314, 1660533, 2214044, 2846628, 3321066, 4981599, 6642132, 9963198, 19926396]

約数ペア:

[(1, 19926396), (2, 9963198), (3, 6642132), (4, 4981599), (6, 3321066), (7, 2846628), (9, 2214044), (12, 1660533), (14, 1423314), (18, 1107022), (21, 948876), (28, 711657), (36, 553511), (42, 474438), (63, 316292), (84, 237219), (107, 186228), (126, 158146), (214, 93114), (252, 79073), (321, 62076), (428, 46557), (642, 31038), (739, 26964), (749, 26604), (963, 20692), (1284, 15519), (1478, 13482), (1498, 13302), (1926, 10346), (2217, 8988), (2247, 8868), (2956, 6741), (2996, 6651), (3852, 5173), (4434, 4494)]