18999292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 38031840

約数和(自身を除く): 19032548

約数列:

[1, 2, 4, 13, 26, 29, 43, 52, 58, 86, 116, 172, 293, 377, 559, 586, 754, 1118, 1172, 1247, 1508, 2236, 2494, 3809, 4988, 7618, 8497, 12599, 15236, 16211, 16994, 25198, 32422, 33988, 50396, 64844, 110461, 163787, 220922, 327574, 365371, 441844, 655148, 730742, 1461484, 4749823, 9499646, 18999292]

約数ペア:

[(1, 18999292), (2, 9499646), (4, 4749823), (13, 1461484), (26, 730742), (29, 655148), (43, 441844), (52, 365371), (58, 327574), (86, 220922), (116, 163787), (172, 110461), (293, 64844), (377, 50396), (559, 33988), (586, 32422), (754, 25198), (1118, 16994), (1172, 16211), (1247, 15236), (1508, 12599), (2236, 8497), (2494, 7618), (3809, 4988)]