18819082

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 31207680

約数和(自身を除く): 12388598

約数列:

[1, 2, 19, 38, 41, 47, 82, 94, 257, 514, 779, 893, 1558, 1786, 1927, 3854, 4883, 9766, 10537, 12079, 21074, 24158, 36613, 73226, 200203, 229501, 400406, 459002, 495239, 990478, 9409541, 18819082]

約数ペア:

[(1, 18819082), (2, 9409541), (19, 990478), (38, 495239), (41, 459002), (47, 400406), (82, 229501), (94, 200203), (257, 73226), (514, 36613), (779, 24158), (893, 21074), (1558, 12079), (1786, 10537), (1927, 9766), (3854, 4883)]