19610768

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 39301056

約数和(自身を除く): 19690288

約数列:

[1, 2, 4, 8, 16, 61, 71, 122, 142, 244, 283, 284, 488, 566, 568, 976, 1132, 1136, 2264, 4331, 4528, 8662, 17263, 17324, 20093, 34526, 34648, 40186, 69052, 69296, 80372, 138104, 160744, 276208, 321488, 1225673, 2451346, 4902692, 9805384, 19610768]

約数ペア:

[(1, 19610768), (2, 9805384), (4, 4902692), (8, 2451346), (16, 1225673), (61, 321488), (71, 276208), (122, 160744), (142, 138104), (244, 80372), (283, 69296), (284, 69052), (488, 40186), (566, 34648), (568, 34526), (976, 20093), (1132, 17324), (1136, 17263), (2264, 8662), (4331, 4528)]