18153400

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 42575400

約数和(自身を除く): 24422000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 653, 695, 1112, 1306, 1390, 2612, 2780, 3265, 3475, 5224, 5560, 6530, 6950, 13060, 13900, 16325, 26120, 27800, 32650, 65300, 90767, 130600, 181534, 363068, 453835, 726136, 907670, 1815340, 2269175, 3630680, 4538350, 9076700, 18153400]

約数ペア:

[(1, 18153400), (2, 9076700), (4, 4538350), (5, 3630680), (8, 2269175), (10, 1815340), (20, 907670), (25, 726136), (40, 453835), (50, 363068), (100, 181534), (139, 130600), (200, 90767), (278, 65300), (556, 32650), (653, 27800), (695, 26120), (1112, 16325), (1306, 13900), (1390, 13060), (2612, 6950), (2780, 6530), (3265, 5560), (3475, 5224)]