18884624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1839

約数の個数: 40

約数和(自身を含む): 40592640

約数和(自身を除く): 21708016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1759, 2684, 3518, 5368, 7036, 10736, 14072, 19349, 28144, 38698, 77396, 107299, 154792, 214598, 309584, 429196, 858392, 1180289, 1716784, 2360578, 4721156, 9442312, 18884624]

約数ペア:

[(1, 18884624), (2, 9442312), (4, 4721156), (8, 2360578), (11, 1716784), (16, 1180289), (22, 858392), (44, 429196), (61, 309584), (88, 214598), (122, 154792), (176, 107299), (244, 77396), (488, 38698), (671, 28144), (976, 19349), (1342, 14072), (1759, 10736), (2684, 7036), (3518, 5368)]