18496730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1901}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 38344320

約数和(自身を除く): 19847590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1901, 1946, 3802, 4865, 9505, 9730, 13307, 19010, 26614, 66535, 133070, 264239, 528478, 1321195, 1849673, 2642390, 3699346, 9248365, 18496730]

約数ペア:

[(1, 18496730), (2, 9248365), (5, 3699346), (7, 2642390), (10, 1849673), (14, 1321195), (35, 528478), (70, 264239), (139, 133070), (278, 66535), (695, 26614), (973, 19010), (1390, 13307), (1901, 9730), (1946, 9505), (3802, 4865)]