19002071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 23500800

約数和(自身を除く): 4498729

約数列:

[1, 11, 19, 23, 59, 67, 209, 253, 437, 649, 737, 1121, 1273, 1357, 1541, 3953, 4807, 12331, 14003, 14927, 16951, 25783, 29279, 43483, 75107, 90919, 283613, 322069, 826177, 1000109, 1727461, 19002071]

約数ペア:

[(1, 19002071), (11, 1727461), (19, 1000109), (23, 826177), (59, 322069), (67, 283613), (209, 90919), (253, 75107), (437, 43483), (649, 29279), (737, 25783), (1121, 16951), (1273, 14927), (1357, 14003), (1541, 12331), (3953, 4807)]