18916392

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 52300800

約数和(自身を除く): 33384408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 79, 88, 132, 158, 237, 264, 316, 474, 632, 869, 907, 948, 1738, 1814, 1896, 2607, 2721, 3476, 3628, 5214, 5442, 6952, 7256, 9977, 10428, 10884, 19954, 20856, 21768, 29931, 39908, 59862, 71653, 79816, 119724, 143306, 214959, 239448, 286612, 429918, 573224, 788183, 859836, 1576366, 1719672, 2364549, 3152732, 4729098, 6305464, 9458196, 18916392]

約数ペア:

[(1, 18916392), (2, 9458196), (3, 6305464), (4, 4729098), (6, 3152732), (8, 2364549), (11, 1719672), (12, 1576366), (22, 859836), (24, 788183), (33, 573224), (44, 429918), (66, 286612), (79, 239448), (88, 214959), (132, 143306), (158, 119724), (237, 79816), (264, 71653), (316, 59862), (474, 39908), (632, 29931), (869, 21768), (907, 20856), (948, 19954), (1738, 10884), (1814, 10428), (1896, 9977), (2607, 7256), (2721, 6952), (3476, 5442), (3628, 5214)]