19456580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6803}}^1$

素因数の和:6836

約数の個数: 48

約数和(自身を含む): 48009024

約数和(自身を除く): 28552444

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6803, 13606, 27212, 34015, 68030, 74833, 88439, 136060, 149666, 176878, 299332, 353756, 374165, 442195, 748330, 884390, 972829, 1496660, 1768780, 1945658, 3891316, 4864145, 9728290, 19456580]

約数ペア:

[(1, 19456580), (2, 9728290), (4, 4864145), (5, 3891316), (10, 1945658), (11, 1768780), (13, 1496660), (20, 972829), (22, 884390), (26, 748330), (44, 442195), (52, 374165), (55, 353756), (65, 299332), (110, 176878), (130, 149666), (143, 136060), (220, 88439), (260, 74833), (286, 68030), (572, 34015), (715, 27212), (1430, 13606), (2860, 6803)]