19229748

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 49670208

約数和(自身を除く): 30440460

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 193, 228, 276, 361, 386, 437, 579, 722, 772, 874, 1083, 1158, 1311, 1444, 1748, 2166, 2316, 2622, 3667, 4332, 4439, 5244, 7334, 8303, 8878, 11001, 13317, 14668, 16606, 17756, 22002, 24909, 26634, 33212, 44004, 49818, 53268, 69673, 84341, 99636, 139346, 168682, 209019, 253023, 278692, 337364, 418038, 506046, 836076, 1012092, 1602479, 3204958, 4807437, 6409916, 9614874, 19229748]

約数ペア:

[(1, 19229748), (2, 9614874), (3, 6409916), (4, 4807437), (6, 3204958), (12, 1602479), (19, 1012092), (23, 836076), (38, 506046), (46, 418038), (57, 337364), (69, 278692), (76, 253023), (92, 209019), (114, 168682), (138, 139346), (193, 99636), (228, 84341), (276, 69673), (361, 53268), (386, 49818), (437, 44004), (579, 33212), (722, 26634), (772, 24909), (874, 22002), (1083, 17756), (1158, 16606), (1311, 14668), (1444, 13317), (1748, 11001), (2166, 8878), (2316, 8303), (2622, 7334), (3667, 5244), (4332, 4439)]