19097015

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 27825120

約数和(自身を除く): 8728105

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 3389, 5635, 16945, 23723, 77947, 118615, 166061, 389735, 545629, 830305, 2728145, 3819403, 19097015]

約数ペア:

[(1, 19097015), (5, 3819403), (7, 2728145), (23, 830305), (35, 545629), (49, 389735), (115, 166061), (161, 118615), (245, 77947), (805, 23723), (1127, 16945), (3389, 5635)]