18651490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13043}}^1$

素因数の和:13074

約数の個数: 32

約数和(自身を含む): 39445056

約数和(自身を除く): 20793566

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13043, 26086, 65215, 130430, 143473, 169559, 286946, 339118, 717365, 847795, 1434730, 1695590, 1865149, 3730298, 9325745, 18651490]

約数ペア:

[(1, 18651490), (2, 9325745), (5, 3730298), (10, 1865149), (11, 1695590), (13, 1434730), (22, 847795), (26, 717365), (55, 339118), (65, 286946), (110, 169559), (130, 143473), (143, 130430), (286, 65215), (715, 26086), (1430, 13043)]