18924885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 38049024

約数和(自身を除く): 19124139

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 823, 1095, 1533, 2469, 2555, 3285, 4115, 4599, 5761, 7407, 7665, 12345, 17283, 22995, 28805, 37035, 51849, 60079, 86415, 180237, 259245, 300395, 420553, 540711, 901185, 1261659, 2102765, 2703555, 3784977, 6308295, 18924885]

約数ペア:

[(1, 18924885), (3, 6308295), (5, 3784977), (7, 2703555), (9, 2102765), (15, 1261659), (21, 901185), (35, 540711), (45, 420553), (63, 300395), (73, 259245), (105, 180237), (219, 86415), (315, 60079), (365, 51849), (511, 37035), (657, 28805), (823, 22995), (1095, 17283), (1533, 12345), (2469, 7665), (2555, 7407), (3285, 5761), (4115, 4599)]