19257890

素因数分解:

$2^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2447}}^1$

素因数の和:3241

約数の個数: 16

約数和(自身を含む): 34722432

約数和(自身を除く): 15464542

約数列:

[1, 2, 5, 10, 787, 1574, 2447, 3935, 4894, 7870, 12235, 24470, 1925789, 3851578, 9628945, 19257890]

約数ペア:

[(1, 19257890), (2, 9628945), (5, 3851578), (10, 1925789), (787, 24470), (1574, 12235), (2447, 7870), (3935, 4894)]