18345656

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3947}}^1$

素因数の和:4043

約数の個数: 32

約数和(自身を含む): 39795840

約数和(自身を除く): 21450184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 3947, 4648, 7894, 15788, 27629, 31576, 55258, 110516, 221032, 327601, 655202, 1310404, 2293207, 2620808, 4586414, 9172828, 18345656]

約数ペア:

[(1, 18345656), (2, 9172828), (4, 4586414), (7, 2620808), (8, 2293207), (14, 1310404), (28, 655202), (56, 327601), (83, 221032), (166, 110516), (332, 55258), (581, 31576), (664, 27629), (1162, 15788), (2324, 7894), (3947, 4648)]