19849986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2069}}^1$

素因数の和:2131

約数の個数: 48

約数和(自身を含む): 47469240

約数和(自身を除く): 27619254

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2069, 3198, 4138, 4797, 6207, 9594, 12414, 18621, 26897, 37242, 53794, 80691, 84829, 161382, 169658, 242073, 254487, 484146, 508974, 763461, 1102777, 1526922, 2205554, 3308331, 6616662, 9924993, 19849986]

約数ペア:

[(1, 19849986), (2, 9924993), (3, 6616662), (6, 3308331), (9, 2205554), (13, 1526922), (18, 1102777), (26, 763461), (39, 508974), (41, 484146), (78, 254487), (82, 242073), (117, 169658), (123, 161382), (234, 84829), (246, 80691), (369, 53794), (533, 37242), (738, 26897), (1066, 18621), (1599, 12414), (2069, 9594), (3198, 6207), (4138, 4797)]