19657872

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10501}}^1$

素因数の和:10528

約数の個数: 60

約数和(自身を含む): 59252284

約数和(自身を除く): 39594412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10501, 21002, 31503, 42004, 63006, 84008, 94509, 126012, 136513, 168016, 189018, 252024, 273026, 378036, 409539, 504048, 546052, 756072, 819078, 1092104, 1228617, 1512144, 1638156, 2184208, 2457234, 3276312, 4914468, 6552624, 9828936, 19657872]

約数ペア:

[(1, 19657872), (2, 9828936), (3, 6552624), (4, 4914468), (6, 3276312), (8, 2457234), (9, 2184208), (12, 1638156), (13, 1512144), (16, 1228617), (18, 1092104), (24, 819078), (26, 756072), (36, 546052), (39, 504048), (48, 409539), (52, 378036), (72, 273026), (78, 252024), (104, 189018), (117, 168016), (144, 136513), (156, 126012), (208, 94509), (234, 84008), (312, 63006), (468, 42004), (624, 31503), (936, 21002), (1872, 10501)]