19642820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57773}}^1$

素因数の和:57799

約数の個数: 24

約数和(自身を含む): 43677144

約数和(自身を除く): 24034324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57773, 115546, 231092, 288865, 577730, 982141, 1155460, 1964282, 3928564, 4910705, 9821410, 19642820]

約数ペア:

[(1, 19642820), (2, 9821410), (4, 4910705), (5, 3928564), (10, 1964282), (17, 1155460), (20, 982141), (34, 577730), (68, 288865), (85, 231092), (170, 115546), (340, 57773)]