18423008

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 38621520

約数和(自身を除く): 20198512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 157, 193, 304, 314, 386, 608, 628, 772, 1256, 1544, 2512, 2983, 3088, 3667, 5024, 5966, 6176, 7334, 11932, 14668, 23864, 29336, 30301, 47728, 58672, 60602, 95456, 117344, 121204, 242408, 484816, 575719, 969632, 1151438, 2302876, 4605752, 9211504, 18423008]

約数ペア:

[(1, 18423008), (2, 9211504), (4, 4605752), (8, 2302876), (16, 1151438), (19, 969632), (32, 575719), (38, 484816), (76, 242408), (152, 121204), (157, 117344), (193, 95456), (304, 60602), (314, 58672), (386, 47728), (608, 30301), (628, 29336), (772, 23864), (1256, 14668), (1544, 11932), (2512, 7334), (2983, 6176), (3088, 5966), (3667, 5024)]