19405698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25833342

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 373, 377, 598, 667, 746, 754, 897, 1119, 1131, 1334, 1794, 2001, 2238, 2262, 4002, 4849, 8579, 8671, 9698, 10817, 14547, 17158, 17342, 21634, 25737, 26013, 29094, 32451, 51474, 52026, 64902, 111527, 140621, 223054, 248791, 281242, 334581, 421863, 497582, 669162, 746373, 843726, 1492746, 3234283, 6468566, 9702849, 19405698]

約数ペア:

[(1, 19405698), (2, 9702849), (3, 6468566), (6, 3234283), (13, 1492746), (23, 843726), (26, 746373), (29, 669162), (39, 497582), (46, 421863), (58, 334581), (69, 281242), (78, 248791), (87, 223054), (138, 140621), (174, 111527), (299, 64902), (373, 52026), (377, 51474), (598, 32451), (667, 29094), (746, 26013), (754, 25737), (897, 21634), (1119, 17342), (1131, 17158), (1334, 14547), (1794, 10817), (2001, 9698), (2238, 8671), (2262, 8579), (4002, 4849)]