19820784

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{5227}}^1$

素因数の和:5317

約数の個数: 40

約数和(自身を含む): 51861760

約数和(自身を除く): 32040976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 5227, 10454, 15681, 20908, 31362, 41816, 62724, 83632, 125448, 250896, 412933, 825866, 1238799, 1651732, 2477598, 3303464, 4955196, 6606928, 9910392, 19820784]

約数ペア:

[(1, 19820784), (2, 9910392), (3, 6606928), (4, 4955196), (6, 3303464), (8, 2477598), (12, 1651732), (16, 1238799), (24, 825866), (48, 412933), (79, 250896), (158, 125448), (237, 83632), (316, 62724), (474, 41816), (632, 31362), (948, 20908), (1264, 15681), (1896, 10454), (3792, 5227)]