19747806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8167}}^1$

素因数の和:8216

約数の個数: 32

約数和(自身を含む): 43911168

約数和(自身を除く): 24163362

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8167, 16334, 24501, 49002, 106171, 212342, 253177, 318513, 506354, 637026, 759531, 1519062, 3291301, 6582602, 9873903, 19747806]

約数ペア:

[(1, 19747806), (2, 9873903), (3, 6582602), (6, 3291301), (13, 1519062), (26, 759531), (31, 637026), (39, 506354), (62, 318513), (78, 253177), (93, 212342), (186, 106171), (403, 49002), (806, 24501), (1209, 16334), (2418, 8167)]