18807008

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 42642936

約数和(自身を除く): 23835928

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 101, 176, 184, 202, 253, 352, 368, 404, 506, 529, 736, 808, 1012, 1058, 1111, 1616, 2024, 2116, 2222, 2323, 3232, 4048, 4232, 4444, 4646, 5819, 8096, 8464, 8888, 9292, 11638, 16928, 17776, 18584, 23276, 25553, 35552, 37168, 46552, 51106, 53429, 74336, 93104, 102212, 106858, 186208, 204424, 213716, 408848, 427432, 587719, 817696, 854864, 1175438, 1709728, 2350876, 4701752, 9403504, 18807008]

約数ペア:

[(1, 18807008), (2, 9403504), (4, 4701752), (8, 2350876), (11, 1709728), (16, 1175438), (22, 854864), (23, 817696), (32, 587719), (44, 427432), (46, 408848), (88, 213716), (92, 204424), (101, 186208), (176, 106858), (184, 102212), (202, 93104), (253, 74336), (352, 53429), (368, 51106), (404, 46552), (506, 37168), (529, 35552), (736, 25553), (808, 23276), (1012, 18584), (1058, 17776), (1111, 16928), (1616, 11638), (2024, 9292), (2116, 8888), (2222, 8464), (2323, 8096), (3232, 5819), (4048, 4646), (4232, 4444)]