18851024465

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{8209}}^1$

素因数の和:8351

約数の個数: 64

約数和(自身を含む): 28689024000

約数和(自身を除く): 9837999535

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 103, 245, 343, 455, 515, 637, 721, 1339, 1715, 3185, 3605, 4459, 5047, 6695, 8209, 9373, 22295, 25235, 35329, 41045, 46865, 57463, 65611, 106717, 176645, 287315, 328055, 402241, 459277, 533585, 747019, 845527, 2011205, 2296385, 2815687, 3735095, 4227635, 5229133, 5918689, 10991851, 14078435, 26145665, 29593445, 36603931, 41430823, 54959255, 76942957, 183019655, 207154115, 290015761, 384714785, 538600699, 1450078805, 2693003495, 3770204893, 18851024465]

約数ペア:

[(1, 18851024465), (5, 3770204893), (7, 2693003495), (13, 1450078805), (35, 538600699), (49, 384714785), (65, 290015761), (91, 207154115), (103, 183019655), (245, 76942957), (343, 54959255), (455, 41430823), (515, 36603931), (637, 29593445), (721, 26145665), (1339, 14078435), (1715, 10991851), (3185, 5918689), (3605, 5229133), (4459, 4227635), (5047, 3735095), (6695, 2815687), (8209, 2296385), (9373, 2011205), (22295, 845527), (25235, 747019), (35329, 533585), (41045, 459277), (46865, 402241), (57463, 328055), (65611, 287315), (106717, 176645)]