19311110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21221}}^1$

素因数の和:21248

約数の個数: 32

約数和(自身を含む): 42783552

約数和(自身を除く): 23472442

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21221, 42442, 106105, 148547, 212210, 275873, 297094, 551746, 742735, 1379365, 1485470, 1931111, 2758730, 3862222, 9655555, 19311110]

約数ペア:

[(1, 19311110), (2, 9655555), (5, 3862222), (7, 2758730), (10, 1931111), (13, 1485470), (14, 1379365), (26, 742735), (35, 551746), (65, 297094), (70, 275873), (91, 212210), (130, 148547), (182, 106105), (455, 42442), (910, 21221)]