19565521947

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1\times {\mathrm{919}}^1$

素因数の和:1877

約数の個数: 64

約数和(自身を含む): 31229952000

約数和(自身を除く): 11664430053

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 423, 513, 883, 893, 919, 1269, 2649, 2679, 2757, 7947, 8037, 8271, 16777, 17461, 23841, 24111, 24813, 41501, 43193, 50331, 52383, 124503, 129579, 150993, 157149, 373509, 388737, 452979, 471447, 788519, 811477, 820667, 1120527, 1166211, 2365557, 2434431, 2462001, 7096671, 7303293, 7386003, 15418063, 21290013, 21909879, 22158009, 38139419, 46254189, 114418257, 138762567, 343254771, 416287701, 724648961, 1029764313, 2173946883, 6521840649, 19565521947]

約数ペア:

[(1, 19565521947), (3, 6521840649), (9, 2173946883), (19, 1029764313), (27, 724648961), (47, 416287701), (57, 343254771), (141, 138762567), (171, 114418257), (423, 46254189), (513, 38139419), (883, 22158009), (893, 21909879), (919, 21290013), (1269, 15418063), (2649, 7386003), (2679, 7303293), (2757, 7096671), (7947, 2462001), (8037, 2434431), (8271, 2365557), (16777, 1166211), (17461, 1120527), (23841, 820667), (24111, 811477), (24813, 788519), (41501, 471447), (43193, 452979), (50331, 388737), (52383, 373509), (124503, 157149), (129579, 150993)]