19791184

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2129}}^1$

素因数の和:2227

約数の個数: 40

約数和(自身を含む): 44372160

約数和(自身を除く): 24580976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2129, 2324, 4258, 4648, 8516, 9296, 14903, 17032, 29806, 34064, 59612, 119224, 176707, 238448, 353414, 706828, 1236949, 1413656, 2473898, 2827312, 4947796, 9895592, 19791184]

約数ペア:

[(1, 19791184), (2, 9895592), (4, 4947796), (7, 2827312), (8, 2473898), (14, 1413656), (16, 1236949), (28, 706828), (56, 353414), (83, 238448), (112, 176707), (166, 119224), (332, 59612), (581, 34064), (664, 29806), (1162, 17032), (1328, 14903), (2129, 9296), (2324, 8516), (4258, 4648)]