19687914

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 47616000

約数和(自身を除く): 27928086

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 93, 114, 171, 186, 279, 342, 513, 558, 589, 619, 837, 1026, 1178, 1238, 1674, 1767, 1857, 3534, 3714, 5301, 5571, 10602, 11142, 11761, 15903, 16713, 19189, 23522, 31806, 33426, 35283, 38378, 57567, 70566, 105849, 115134, 172701, 211698, 317547, 345402, 364591, 518103, 635094, 729182, 1036206, 1093773, 2187546, 3281319, 6562638, 9843957, 19687914]

約数ペア:

[(1, 19687914), (2, 9843957), (3, 6562638), (6, 3281319), (9, 2187546), (18, 1093773), (19, 1036206), (27, 729182), (31, 635094), (38, 518103), (54, 364591), (57, 345402), (62, 317547), (93, 211698), (114, 172701), (171, 115134), (186, 105849), (279, 70566), (342, 57567), (513, 38378), (558, 35283), (589, 33426), (619, 31806), (837, 23522), (1026, 19189), (1178, 16713), (1238, 15903), (1674, 11761), (1767, 11142), (1857, 10602), (3534, 5571), (3714, 5301)]