19265988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1087}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 51666944

約数和(自身を除く): 32400956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1087, 1266, 1477, 2174, 2532, 2954, 3261, 4348, 4431, 5908, 6522, 7609, 8862, 13044, 15218, 17724, 22827, 30436, 45654, 91308, 229357, 458714, 688071, 917428, 1376142, 1605499, 2752284, 3210998, 4816497, 6421996, 9632994, 19265988]

約数ペア:

[(1, 19265988), (2, 9632994), (3, 6421996), (4, 4816497), (6, 3210998), (7, 2752284), (12, 1605499), (14, 1376142), (21, 917428), (28, 688071), (42, 458714), (84, 229357), (211, 91308), (422, 45654), (633, 30436), (844, 22827), (1087, 17724), (1266, 15218), (1477, 13044), (2174, 8862), (2532, 7609), (2954, 6522), (3261, 5908), (4348, 4431)]