19311145

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 28368900

約数和(自身を除く): 9057755

約数列:

[1, 5, 7, 23, 35, 49, 115, 149, 161, 245, 529, 745, 805, 1043, 1127, 2645, 3427, 3703, 5215, 5635, 7301, 17135, 18515, 23989, 25921, 36505, 78821, 119945, 129605, 167923, 394105, 551747, 839615, 2758735, 3862229, 19311145]

約数ペア:

[(1, 19311145), (5, 3862229), (7, 2758735), (23, 839615), (35, 551747), (49, 394105), (115, 167923), (149, 129605), (161, 119945), (245, 78821), (529, 36505), (745, 25921), (805, 23989), (1043, 18515), (1127, 17135), (2645, 7301), (3427, 5635), (3703, 5215)]