18448940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 21885172

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 233, 370, 428, 466, 535, 740, 932, 1070, 1165, 2140, 2330, 3959, 4660, 7918, 8621, 15836, 17242, 19795, 24931, 34484, 39590, 43105, 49862, 79180, 86210, 99724, 124655, 172420, 249310, 498620, 922447, 1844894, 3689788, 4612235, 9224470, 18448940]

約数ペア:

[(1, 18448940), (2, 9224470), (4, 4612235), (5, 3689788), (10, 1844894), (20, 922447), (37, 498620), (74, 249310), (107, 172420), (148, 124655), (185, 99724), (214, 86210), (233, 79180), (370, 49862), (428, 43105), (466, 39590), (535, 34484), (740, 24931), (932, 19795), (1070, 17242), (1165, 15836), (2140, 8621), (2330, 7918), (3959, 4660)]