18054256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5437

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 22121744

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5399, 10798, 21596, 43192, 59389, 86384, 102581, 118778, 205162, 237556, 410324, 475112, 820648, 950224, 1128391, 1641296, 2256782, 4513564, 9027128, 18054256]

約数ペア:

[(1, 18054256), (2, 9027128), (4, 4513564), (8, 2256782), (11, 1641296), (16, 1128391), (19, 950224), (22, 820648), (38, 475112), (44, 410324), (76, 237556), (88, 205162), (152, 118778), (176, 102581), (209, 86384), (304, 59389), (418, 43192), (836, 21596), (1672, 10798), (3344, 5399)]