18971484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3266

約数の個数: 48

約数和(自身を含む): 51319296

約数和(自身を除く): 32347812

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, 2982, 3181, 5964, 6362, 9543, 12724, 19086, 22267, 38172, 44534, 66801, 89068, 133602, 225851, 267204, 451702, 677553, 903404, 1355106, 1580957, 2710212, 3161914, 4742871, 6323828, 9485742, 18971484]

約数ペア:

[(1, 18971484), (2, 9485742), (3, 6323828), (4, 4742871), (6, 3161914), (7, 2710212), (12, 1580957), (14, 1355106), (21, 903404), (28, 677553), (42, 451702), (71, 267204), (84, 225851), (142, 133602), (213, 89068), (284, 66801), (426, 44534), (497, 38172), (852, 22267), (994, 19086), (1491, 12724), (1988, 9543), (2982, 6362), (3181, 5964)]