19405995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 35650560

約数和(自身を除く): 16244565

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 421, 439, 1263, 1317, 2105, 2195, 2947, 3073, 6315, 6585, 8841, 9219, 14735, 15365, 44205, 46095, 184819, 554457, 924095, 1293733, 2772285, 3881199, 6468665, 19405995]

約数ペア:

[(1, 19405995), (3, 6468665), (5, 3881199), (7, 2772285), (15, 1293733), (21, 924095), (35, 554457), (105, 184819), (421, 46095), (439, 44205), (1263, 15365), (1317, 14735), (2105, 9219), (2195, 8841), (2947, 6585), (3073, 6315)]