19727344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 30144464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 797, 884, 952, 1456, 1547, 1594, 1768, 1904, 3094, 3188, 3536, 5579, 6188, 6376, 10361, 11158, 12376, 12752, 13549, 20722, 22316, 24752, 27098, 41444, 44632, 54196, 72527, 82888, 89264, 94843, 108392, 145054, 165776, 176137, 189686, 216784, 290108, 352274, 379372, 580216, 704548, 758744, 1160432, 1232959, 1409096, 1517488, 2465918, 2818192, 4931836, 9863672, 19727344]

約数ペア:

[(1, 19727344), (2, 9863672), (4, 4931836), (7, 2818192), (8, 2465918), (13, 1517488), (14, 1409096), (16, 1232959), (17, 1160432), (26, 758744), (28, 704548), (34, 580216), (52, 379372), (56, 352274), (68, 290108), (91, 216784), (104, 189686), (112, 176137), (119, 165776), (136, 145054), (182, 108392), (208, 94843), (221, 89264), (238, 82888), (272, 72527), (364, 54196), (442, 44632), (476, 41444), (728, 27098), (797, 24752), (884, 22316), (952, 20722), (1456, 13549), (1547, 12752), (1594, 12376), (1768, 11158), (1904, 10361), (3094, 6376), (3188, 6188), (3536, 5579)]