17890210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7243}}^1$

素因数の和:7282

約数の個数: 32

約数和(自身を含む): 36509760

約数和(自身を除く): 18619550

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7243, 14486, 36215, 72430, 94159, 137617, 188318, 275234, 470795, 688085, 941590, 1376170, 1789021, 3578042, 8945105, 17890210]

約数ペア:

[(1, 17890210), (2, 8945105), (5, 3578042), (10, 1789021), (13, 1376170), (19, 941590), (26, 688085), (38, 470795), (65, 275234), (95, 188318), (130, 137617), (190, 94159), (247, 72430), (494, 36215), (1235, 14486), (2470, 7243)]