16018900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8431}}^1$

素因数の和:8464

約数の個数: 36

約数和(自身を含む): 36594880

約数和(自身を除く): 20575980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 8431, 16862, 33724, 42155, 84310, 160189, 168620, 210775, 320378, 421550, 640756, 800945, 843100, 1601890, 3203780, 4004725, 8009450, 16018900]

約数ペア:

[(1, 16018900), (2, 8009450), (4, 4004725), (5, 3203780), (10, 1601890), (19, 843100), (20, 800945), (25, 640756), (38, 421550), (50, 320378), (76, 210775), (95, 168620), (100, 160189), (190, 84310), (380, 42155), (475, 33724), (950, 16862), (1900, 8431)]