18139935

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16696545

約数列:

[1, 3, 5, 11, 15, 17, 29, 33, 51, 55, 85, 87, 145, 165, 187, 223, 255, 319, 435, 493, 561, 669, 935, 957, 1115, 1479, 1595, 2453, 2465, 2805, 3345, 3791, 4785, 5423, 6467, 7359, 7395, 11373, 12265, 16269, 18955, 19401, 27115, 32335, 36795, 41701, 56865, 71137, 81345, 97005, 109939, 125103, 208505, 213411, 329817, 355685, 549695, 625515, 1067055, 1209329, 1649085, 3627987, 6046645, 18139935]

約数ペア:

[(1, 18139935), (3, 6046645), (5, 3627987), (11, 1649085), (15, 1209329), (17, 1067055), (29, 625515), (33, 549695), (51, 355685), (55, 329817), (85, 213411), (87, 208505), (145, 125103), (165, 109939), (187, 97005), (223, 81345), (255, 71137), (319, 56865), (435, 41701), (493, 36795), (561, 32335), (669, 27115), (935, 19401), (957, 18955), (1115, 16269), (1479, 12265), (1595, 11373), (2453, 7395), (2465, 7359), (2805, 6467), (3345, 5423), (3791, 4785)]