18071728

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 36198576

約数和(自身を除く): 18126848

約数列:

[1, 2, 4, 8, 16, 53, 101, 106, 202, 211, 212, 404, 422, 424, 808, 844, 848, 1616, 1688, 3376, 5353, 10706, 11183, 21311, 21412, 22366, 42622, 42824, 44732, 85244, 85648, 89464, 170488, 178928, 340976, 1129483, 2258966, 4517932, 9035864, 18071728]

約数ペア:

[(1, 18071728), (2, 9035864), (4, 4517932), (8, 2258966), (16, 1129483), (53, 340976), (101, 178928), (106, 170488), (202, 89464), (211, 85648), (212, 85244), (404, 44732), (422, 42824), (424, 42622), (808, 22366), (844, 21412), (848, 21311), (1616, 11183), (1688, 10706), (3376, 5353)]