19809969556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{148061}}^1$

素因数の和:148192

約数の個数: 48

約数和(自身を含む): 39003084288

約数和(自身を除く): 19193114732

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 83, 124, 166, 332, 403, 806, 1079, 1612, 2158, 2573, 4316, 5146, 10292, 33449, 66898, 133796, 148061, 296122, 592244, 1924793, 3849586, 4589891, 7699172, 9179782, 12289063, 18359564, 24578126, 49156252, 59668583, 119337166, 159757819, 238674332, 319515638, 380960953, 639031276, 761921906, 1523843812, 4952492389, 9904984778, 19809969556]

約数ペア:

[(1, 19809969556), (2, 9904984778), (4, 4952492389), (13, 1523843812), (26, 761921906), (31, 639031276), (52, 380960953), (62, 319515638), (83, 238674332), (124, 159757819), (166, 119337166), (332, 59668583), (403, 49156252), (806, 24578126), (1079, 18359564), (1612, 12289063), (2158, 9179782), (2573, 7699172), (4316, 4589891), (5146, 3849586), (10292, 1924793), (33449, 592244), (66898, 296122), (133796, 148061)]