19680210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 56654208

約数和(自身を除く): 36973998

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 103, 110, 165, 193, 198, 206, 309, 330, 386, 495, 515, 579, 618, 927, 965, 990, 1030, 1133, 1158, 1545, 1737, 1854, 1930, 2123, 2266, 2895, 3090, 3399, 3474, 4246, 4635, 5665, 5790, 6369, 6798, 8685, 9270, 10197, 10615, 11330, 12738, 16995, 17370, 19107, 19879, 20394, 21230, 31845, 33990, 38214, 39758, 50985, 59637, 63690, 95535, 99395, 101970, 119274, 178911, 191070, 198790, 218669, 298185, 357822, 437338, 596370, 656007, 894555, 1093345, 1312014, 1789110, 1968021, 2186690, 3280035, 3936042, 6560070, 9840105, 19680210]

約数ペア:

[(1, 19680210), (2, 9840105), (3, 6560070), (5, 3936042), (6, 3280035), (9, 2186690), (10, 1968021), (11, 1789110), (15, 1312014), (18, 1093345), (22, 894555), (30, 656007), (33, 596370), (45, 437338), (55, 357822), (66, 298185), (90, 218669), (99, 198790), (103, 191070), (110, 178911), (165, 119274), (193, 101970), (198, 99395), (206, 95535), (309, 63690), (330, 59637), (386, 50985), (495, 39758), (515, 38214), (579, 33990), (618, 31845), (927, 21230), (965, 20394), (990, 19879), (1030, 19107), (1133, 17370), (1158, 16995), (1545, 12738), (1737, 11330), (1854, 10615), (1930, 10197), (2123, 9270), (2266, 8685), (2895, 6798), (3090, 6369), (3399, 5790), (3474, 5665), (4246, 4635)]