18384314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 13113670

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 433, 598, 866, 923, 1633, 1846, 3266, 5629, 9959, 11258, 19918, 21229, 30743, 42458, 61486, 129467, 258934, 399659, 707089, 799318, 1414178, 9192157, 18384314]

約数ペア:

[(1, 18384314), (2, 9192157), (13, 1414178), (23, 799318), (26, 707089), (46, 399659), (71, 258934), (142, 129467), (299, 61486), (433, 42458), (598, 30743), (866, 21229), (923, 19918), (1633, 11258), (1846, 9959), (3266, 5629)]