19396890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{215521}}^1$

素因数の和:215534

約数の個数: 24

約数和(自身を含む): 50432148

約数和(自身を除く): 31035258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 215521, 431042, 646563, 1077605, 1293126, 1939689, 2155210, 3232815, 3879378, 6465630, 9698445, 19396890]

約数ペア:

[(1, 19396890), (2, 9698445), (3, 6465630), (5, 3879378), (6, 3232815), (9, 2155210), (10, 1939689), (15, 1293126), (18, 1077605), (30, 646563), (45, 431042), (90, 215521)]