19618544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 25378576

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 79, 83, 88, 136, 158, 166, 176, 187, 272, 316, 332, 374, 632, 664, 748, 869, 913, 1264, 1328, 1343, 1411, 1496, 1738, 1826, 2686, 2822, 2992, 3476, 3652, 5372, 5644, 6557, 6952, 7304, 10744, 11288, 13114, 13904, 14608, 14773, 15521, 21488, 22576, 26228, 29546, 31042, 52456, 59092, 62084, 72127, 104912, 111469, 118184, 124168, 144254, 222938, 236368, 248336, 288508, 445876, 577016, 891752, 1154032, 1226159, 1783504, 2452318, 4904636, 9809272, 19618544]

約数ペア:

[(1, 19618544), (2, 9809272), (4, 4904636), (8, 2452318), (11, 1783504), (16, 1226159), (17, 1154032), (22, 891752), (34, 577016), (44, 445876), (68, 288508), (79, 248336), (83, 236368), (88, 222938), (136, 144254), (158, 124168), (166, 118184), (176, 111469), (187, 104912), (272, 72127), (316, 62084), (332, 59092), (374, 52456), (632, 31042), (664, 29546), (748, 26228), (869, 22576), (913, 21488), (1264, 15521), (1328, 14773), (1343, 14608), (1411, 13904), (1496, 13114), (1738, 11288), (1826, 10744), (2686, 7304), (2822, 6952), (2992, 6557), (3476, 5644), (3652, 5372)]