17957966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4969}}^1$

素因数の和:5123

約数の個数: 16

約数和(自身を含む): 29223600

約数和(自身を除く): 11265634

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 4969, 9938, 64597, 129194, 690691, 1381382, 8978983, 17957966]

約数ペア:

[(1, 17957966), (2, 8978983), (13, 1381382), (26, 690691), (139, 129194), (278, 64597), (1807, 9938), (3614, 4969)]