19505552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 60

約数和(自身を含む): 43653456

約数和(自身を除く): 24147904

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 307, 361, 418, 614, 722, 836, 1228, 1444, 1672, 2456, 2888, 3344, 3377, 3971, 4912, 5776, 5833, 6754, 7942, 11666, 13508, 15884, 23332, 27016, 31768, 46664, 54032, 63536, 64163, 93328, 110827, 128326, 221654, 256652, 443308, 513304, 886616, 1026608, 1219097, 1773232, 2438194, 4876388, 9752776, 19505552]

約数ペア:

[(1, 19505552), (2, 9752776), (4, 4876388), (8, 2438194), (11, 1773232), (16, 1219097), (19, 1026608), (22, 886616), (38, 513304), (44, 443308), (76, 256652), (88, 221654), (152, 128326), (176, 110827), (209, 93328), (304, 64163), (307, 63536), (361, 54032), (418, 46664), (614, 31768), (722, 27016), (836, 23332), (1228, 15884), (1444, 13508), (1672, 11666), (2456, 7942), (2888, 6754), (3344, 5833), (3377, 5776), (3971, 4912)]