19090645

素因数分解:

$5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 27069984

約数和(自身を除く): 7979339

約数列:

[1, 5, 7, 35, 49, 67, 245, 335, 469, 1163, 2345, 3283, 5815, 8141, 16415, 40705, 56987, 77921, 284935, 389605, 545447, 2727235, 3818129, 19090645]

約数ペア:

[(1, 19090645), (5, 3818129), (7, 2727235), (35, 545447), (49, 389605), (67, 284935), (245, 77921), (335, 56987), (469, 40705), (1163, 16415), (2345, 8141), (3283, 5815)]