18925426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 31868928

約数和(自身を除く): 12943502

約数列:

[1, 2, 13, 26, 37, 74, 103, 191, 206, 382, 481, 962, 1339, 2483, 2678, 3811, 4966, 7067, 7622, 14134, 19673, 39346, 49543, 91871, 99086, 183742, 255749, 511498, 727901, 1455802, 9462713, 18925426]

約数ペア:

[(1, 18925426), (2, 9462713), (13, 1455802), (26, 727901), (37, 511498), (74, 255749), (103, 183742), (191, 99086), (206, 91871), (382, 49543), (481, 39346), (962, 19673), (1339, 14134), (2483, 7622), (2678, 7067), (3811, 4966)]