19387290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49711}}^1$

素因数の和:49734

約数の個数: 32

約数和(自身を含む): 50109696

約数和(自身を除く): 30722406

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49711, 99422, 149133, 248555, 298266, 497110, 646243, 745665, 1292486, 1491330, 1938729, 3231215, 3877458, 6462430, 9693645, 19387290]

約数ペア:

[(1, 19387290), (2, 9693645), (3, 6462430), (5, 3877458), (6, 3231215), (10, 1938729), (13, 1491330), (15, 1292486), (26, 745665), (30, 646243), (39, 497110), (65, 298266), (78, 248555), (130, 149133), (195, 99422), (390, 49711)]