19049979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 29514240

約数和(自身を除く): 10464261

約数列:

[1, 3, 13, 17, 39, 51, 59, 177, 221, 487, 663, 767, 1003, 1461, 2301, 3009, 6331, 8279, 13039, 18993, 24837, 28733, 39117, 86199, 107627, 322881, 373529, 488461, 1120587, 1465383, 6349993, 19049979]

約数ペア:

[(1, 19049979), (3, 6349993), (13, 1465383), (17, 1120587), (39, 488461), (51, 373529), (59, 322881), (177, 107627), (221, 86199), (487, 39117), (663, 28733), (767, 24837), (1003, 18993), (1461, 13039), (2301, 8279), (3009, 6331)]