17888780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9829}}^1$

素因数の和:9858

約数の個数: 48

約数和(自身を含む): 46240320

約数和(自身を除く): 28351540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9829, 19658, 39316, 49145, 68803, 98290, 127777, 137606, 196580, 255554, 275212, 344015, 511108, 638885, 688030, 894439, 1277770, 1376060, 1788878, 2555540, 3577756, 4472195, 8944390, 17888780]

約数ペア:

[(1, 17888780), (2, 8944390), (4, 4472195), (5, 3577756), (7, 2555540), (10, 1788878), (13, 1376060), (14, 1277770), (20, 894439), (26, 688030), (28, 638885), (35, 511108), (52, 344015), (65, 275212), (70, 255554), (91, 196580), (130, 137606), (140, 127777), (182, 98290), (260, 68803), (364, 49145), (455, 39316), (910, 19658), (1820, 9829)]