19304800

素因数分解:

$2^5\times 5^2\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 72

約数和(自身を含む): 48043800

約数和(自身を除く): 28739000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 80, 100, 118, 160, 200, 236, 295, 400, 409, 472, 590, 800, 818, 944, 1180, 1475, 1636, 1888, 2045, 2360, 2950, 3272, 4090, 4720, 5900, 6544, 8180, 9440, 10225, 11800, 13088, 16360, 20450, 23600, 24131, 32720, 40900, 47200, 48262, 65440, 81800, 96524, 120655, 163600, 193048, 241310, 327200, 386096, 482620, 603275, 772192, 965240, 1206550, 1930480, 2413100, 3860960, 4826200, 9652400, 19304800]

約数ペア:

[(1, 19304800), (2, 9652400), (4, 4826200), (5, 3860960), (8, 2413100), (10, 1930480), (16, 1206550), (20, 965240), (25, 772192), (32, 603275), (40, 482620), (50, 386096), (59, 327200), (80, 241310), (100, 193048), (118, 163600), (160, 120655), (200, 96524), (236, 81800), (295, 65440), (400, 48262), (409, 47200), (472, 40900), (590, 32720), (800, 24131), (818, 23600), (944, 20450), (1180, 16360), (1475, 13088), (1636, 11800), (1888, 10225), (2045, 9440), (2360, 8180), (2950, 6544), (3272, 5900), (4090, 4720)]