19078480

素因数分解:

$2^4\times 5^1\times {\mathrm{238481}}^1$

素因数の和:238494

約数の個数: 20

約数和(自身を含む): 44357652

約数和(自身を除く): 25279172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238481, 476962, 953924, 1192405, 1907848, 2384810, 3815696, 4769620, 9539240, 19078480]

約数ペア:

[(1, 19078480), (2, 9539240), (4, 4769620), (5, 3815696), (8, 2384810), (10, 1907848), (16, 1192405), (20, 953924), (40, 476962), (80, 238481)]