18551216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{283}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 38350224

約数和(自身を除く): 19799008

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 241, 272, 283, 482, 566, 964, 1132, 1928, 2264, 3856, 4097, 4528, 4811, 8194, 9622, 16388, 19244, 32776, 38488, 65552, 68203, 76976, 136406, 272812, 545624, 1091248, 1159451, 2318902, 4637804, 9275608, 18551216]

約数ペア:

[(1, 18551216), (2, 9275608), (4, 4637804), (8, 2318902), (16, 1159451), (17, 1091248), (34, 545624), (68, 272812), (136, 136406), (241, 76976), (272, 68203), (283, 65552), (482, 38488), (566, 32776), (964, 19244), (1132, 16388), (1928, 9622), (2264, 8194), (3856, 4811), (4097, 4528)]