18652655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 29859840

約数和(自身を除く): 11207185

約数列:

[1, 5, 7, 17, 23, 29, 35, 47, 85, 115, 119, 145, 161, 203, 235, 329, 391, 493, 595, 667, 799, 805, 1015, 1081, 1363, 1645, 1955, 2465, 2737, 3335, 3451, 3995, 4669, 5405, 5593, 6815, 7567, 9541, 11339, 13685, 17255, 18377, 23171, 23345, 27965, 31349, 37835, 47705, 56695, 79373, 91885, 115855, 128639, 156745, 162197, 219443, 396865, 532933, 643195, 810985, 1097215, 2664665, 3730531, 18652655]

約数ペア:

[(1, 18652655), (5, 3730531), (7, 2664665), (17, 1097215), (23, 810985), (29, 643195), (35, 532933), (47, 396865), (85, 219443), (115, 162197), (119, 156745), (145, 128639), (161, 115855), (203, 91885), (235, 79373), (329, 56695), (391, 47705), (493, 37835), (595, 31349), (667, 27965), (799, 23345), (805, 23171), (1015, 18377), (1081, 17255), (1363, 13685), (1645, 11339), (1955, 9541), (2465, 7567), (2737, 6815), (3335, 5593), (3451, 5405), (3995, 4669)]