16919868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:2922

約数の個数: 48

約数和(自身を含む): 45771264

約数和(自身を除く): 28851396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2837, 2982, 5674, 5964, 8511, 11348, 17022, 19859, 34044, 39718, 59577, 79436, 119154, 201427, 238308, 402854, 604281, 805708, 1208562, 1409989, 2417124, 2819978, 4229967, 5639956, 8459934, 16919868]

約数ペア:

[(1, 16919868), (2, 8459934), (3, 5639956), (4, 4229967), (6, 2819978), (7, 2417124), (12, 1409989), (14, 1208562), (21, 805708), (28, 604281), (42, 402854), (71, 238308), (84, 201427), (142, 119154), (213, 79436), (284, 59577), (426, 39718), (497, 34044), (852, 19859), (994, 17022), (1491, 11348), (1988, 8511), (2837, 5964), (2982, 5674)]