16939868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 18622372

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 881, 1012, 1748, 1762, 3524, 4807, 9614, 9691, 16739, 19228, 19382, 20263, 33478, 38764, 40526, 66956, 81052, 184129, 222893, 368258, 384997, 445786, 736516, 769994, 891572, 1539988, 4234967, 8469934, 16939868]

約数ペア:

[(1, 16939868), (2, 8469934), (4, 4234967), (11, 1539988), (19, 891572), (22, 769994), (23, 736516), (38, 445786), (44, 384997), (46, 368258), (76, 222893), (92, 184129), (209, 81052), (253, 66956), (418, 40526), (437, 38764), (506, 33478), (836, 20263), (874, 19382), (881, 19228), (1012, 16739), (1748, 9691), (1762, 9614), (3524, 4807)]