20190165985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1\times {\mathrm{541}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 28322058240

約数和(自身を除く): 8131892255

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 355, 503, 541, 781, 1045, 1349, 2515, 2705, 3905, 5533, 5951, 6745, 9557, 10279, 14839, 27665, 29755, 35713, 38411, 47785, 51395, 74195, 105127, 113069, 178565, 192055, 272123, 392843, 422521, 525635, 565345, 678547, 729809, 1360615, 1964215, 2112605, 2993353, 3392735, 3649045, 5170337, 7464017, 8027899, 14966765, 19320733, 25851685, 37320085, 40139495, 56873707, 96603665, 212528063, 284368535, 367093927, 1062640315, 1835469635, 4038033197, 20190165985]

約数ペア:

[(1, 20190165985), (5, 4038033197), (11, 1835469635), (19, 1062640315), (55, 367093927), (71, 284368535), (95, 212528063), (209, 96603665), (355, 56873707), (503, 40139495), (541, 37320085), (781, 25851685), (1045, 19320733), (1349, 14966765), (2515, 8027899), (2705, 7464017), (3905, 5170337), (5533, 3649045), (5951, 3392735), (6745, 2993353), (9557, 2112605), (10279, 1964215), (14839, 1360615), (27665, 729809), (29755, 678547), (35713, 565345), (38411, 525635), (47785, 422521), (51395, 392843), (74195, 272123), (105127, 192055), (113069, 178565)]