19853694

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31571586

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 954, 991, 1113, 1431, 1982, 2226, 2862, 2973, 3339, 5946, 6678, 6937, 8919, 10017, 13874, 17838, 20034, 20811, 26757, 41622, 52523, 53514, 62433, 105046, 124866, 157569, 187299, 315138, 367661, 374598, 472707, 735322, 945414, 1102983, 1418121, 2205966, 2836242, 3308949, 6617898, 9926847, 19853694]

約数ペア:

[(1, 19853694), (2, 9926847), (3, 6617898), (6, 3308949), (7, 2836242), (9, 2205966), (14, 1418121), (18, 1102983), (21, 945414), (27, 735322), (42, 472707), (53, 374598), (54, 367661), (63, 315138), (106, 187299), (126, 157569), (159, 124866), (189, 105046), (318, 62433), (371, 53514), (378, 52523), (477, 41622), (742, 26757), (954, 20811), (991, 20034), (1113, 17838), (1431, 13874), (1982, 10017), (2226, 8919), (2862, 6937), (2973, 6678), (3339, 5946)]