19811414

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 16476586

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1049, 1349, 2098, 2698, 7343, 9443, 14686, 18886, 19931, 39862, 74479, 139517, 148958, 279034, 521353, 1042706, 1415101, 2830202, 9905707, 19811414]

約数ペア:

[(1, 19811414), (2, 9905707), (7, 2830202), (14, 1415101), (19, 1042706), (38, 521353), (71, 279034), (133, 148958), (142, 139517), (266, 74479), (497, 39862), (994, 19931), (1049, 18886), (1349, 14686), (2098, 9443), (2698, 7343)]