18894272

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 39380160

約数和(自身を除く): 20485888

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 79, 101, 148, 158, 202, 296, 316, 404, 592, 632, 808, 1184, 1264, 1616, 2368, 2528, 2923, 3232, 3737, 5056, 5846, 6464, 7474, 7979, 11692, 14948, 15958, 23384, 29896, 31916, 46768, 59792, 63832, 93536, 119584, 127664, 187072, 239168, 255328, 295223, 510656, 590446, 1180892, 2361784, 4723568, 9447136, 18894272]

約数ペア:

[(1, 18894272), (2, 9447136), (4, 4723568), (8, 2361784), (16, 1180892), (32, 590446), (37, 510656), (64, 295223), (74, 255328), (79, 239168), (101, 187072), (148, 127664), (158, 119584), (202, 93536), (296, 63832), (316, 59792), (404, 46768), (592, 31916), (632, 29896), (808, 23384), (1184, 15958), (1264, 14948), (1616, 11692), (2368, 7979), (2528, 7474), (2923, 6464), (3232, 5846), (3737, 5056)]