19935272

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4289}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 23307928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4289, 4648, 8578, 17156, 30023, 34312, 60046, 120092, 240184, 355987, 711974, 1423948, 2491909, 2847896, 4983818, 9967636, 19935272]

約数ペア:

[(1, 19935272), (2, 9967636), (4, 4983818), (7, 2847896), (8, 2491909), (14, 1423948), (28, 711974), (56, 355987), (83, 240184), (166, 120092), (332, 60046), (581, 34312), (664, 30023), (1162, 17156), (2324, 8578), (4289, 4648)]