18975357

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 30259200

約数和(自身を除く): 11283843

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 423, 513, 787, 893, 1269, 2361, 2679, 7083, 8037, 14953, 21249, 24111, 36989, 44859, 110967, 134577, 332901, 403731, 702791, 998703, 2108373, 6325119, 18975357]

約数ペア:

[(1, 18975357), (3, 6325119), (9, 2108373), (19, 998703), (27, 702791), (47, 403731), (57, 332901), (141, 134577), (171, 110967), (423, 44859), (513, 36989), (787, 24111), (893, 21249), (1269, 14953), (2361, 8037), (2679, 7083)]