18774824

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 36307200

約数和(自身を除く): 17532376

約数列:

[1, 2, 4, 8, 61, 79, 122, 158, 244, 316, 487, 488, 632, 974, 1948, 3896, 4819, 9638, 19276, 29707, 38473, 38552, 59414, 76946, 118828, 153892, 237656, 307784, 2346853, 4693706, 9387412, 18774824]

約数ペア:

[(1, 18774824), (2, 9387412), (4, 4693706), (8, 2346853), (61, 307784), (79, 237656), (122, 153892), (158, 118828), (244, 76946), (316, 59414), (487, 38552), (488, 38473), (632, 29707), (974, 19276), (1948, 9638), (3896, 4819)]