18895058

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19425070

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 197, 217, 221, 238, 394, 403, 434, 442, 527, 806, 1054, 1379, 1547, 2561, 2758, 2821, 3094, 3349, 3689, 5122, 5642, 6107, 6698, 6851, 7378, 12214, 13702, 17927, 23443, 35854, 42749, 43537, 46886, 47957, 79391, 85498, 87074, 95914, 103819, 158782, 207638, 304759, 555737, 609518, 726733, 1111474, 1349647, 1453466, 2699294, 9447529, 18895058]

約数ペア:

[(1, 18895058), (2, 9447529), (7, 2699294), (13, 1453466), (14, 1349647), (17, 1111474), (26, 726733), (31, 609518), (34, 555737), (62, 304759), (91, 207638), (119, 158782), (182, 103819), (197, 95914), (217, 87074), (221, 85498), (238, 79391), (394, 47957), (403, 46886), (434, 43537), (442, 42749), (527, 35854), (806, 23443), (1054, 17927), (1379, 13702), (1547, 12214), (2561, 7378), (2758, 6851), (2821, 6698), (3094, 6107), (3349, 5642), (3689, 5122)]