16121804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{401}}^1$

素因数の和:470

約数の個数: 36

約数和(自身を含む): 31122840

約数和(自身を除く): 15001036

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 401, 437, 529, 802, 874, 1058, 1604, 1748, 2116, 7619, 9223, 10051, 15238, 18446, 20102, 30476, 36892, 40204, 175237, 212129, 350474, 424258, 700948, 848516, 4030451, 8060902, 16121804]

約数ペア:

[(1, 16121804), (2, 8060902), (4, 4030451), (19, 848516), (23, 700948), (38, 424258), (46, 350474), (76, 212129), (92, 175237), (401, 40204), (437, 36892), (529, 30476), (802, 20102), (874, 18446), (1058, 15238), (1604, 10051), (1748, 9223), (2116, 7619)]