18385808

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 41039040

約数和(自身を除く): 22653232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1181, 1946, 2224, 2362, 3892, 4724, 7784, 8267, 9448, 15568, 16534, 18896, 33068, 66136, 132272, 164159, 328318, 656636, 1149113, 1313272, 2298226, 2626544, 4596452, 9192904, 18385808]

約数ペア:

[(1, 18385808), (2, 9192904), (4, 4596452), (7, 2626544), (8, 2298226), (14, 1313272), (16, 1149113), (28, 656636), (56, 328318), (112, 164159), (139, 132272), (278, 66136), (556, 33068), (973, 18896), (1112, 16534), (1181, 15568), (1946, 9448), (2224, 8267), (2362, 7784), (3892, 4724)]