18705284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5897}}^1$

素因数の和:5975

約数の個数: 24

約数和(自身を含む): 35836248

約数和(自身を除く): 17130964

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 5897, 11794, 23588, 76661, 153322, 306644, 359717, 719434, 1438868, 4676321, 9352642, 18705284]

約数ペア:

[(1, 18705284), (2, 9352642), (4, 4676321), (13, 1438868), (26, 719434), (52, 359717), (61, 306644), (122, 153322), (244, 76661), (793, 23588), (1586, 11794), (3172, 5897)]