18695271

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 10795929

約数列:

[1, 3, 7, 21, 59, 79, 177, 191, 237, 413, 553, 573, 1239, 1337, 1659, 4011, 4661, 11269, 13983, 15089, 32627, 33807, 45267, 78883, 97881, 105623, 236649, 316869, 890251, 2670753, 6231757, 18695271]

約数ペア:

[(1, 18695271), (3, 6231757), (7, 2670753), (21, 890251), (59, 316869), (79, 236649), (177, 105623), (191, 97881), (237, 78883), (413, 45267), (553, 33807), (573, 32627), (1239, 15089), (1337, 13983), (1659, 11269), (4011, 4661)]