18157219808

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{201139}}^1$

素因数の和:201200

約数の個数: 96

約数和(自身を含む): 45415802880

約数和(自身を除く): 27258583072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 992, 1456, 1612, 1736, 2821, 2912, 3224, 3472, 5642, 6448, 6944, 11284, 12896, 22568, 45136, 90272, 201139, 402278, 804556, 1407973, 1609112, 2614807, 2815946, 3218224, 5229614, 5631892, 6235309, 6436448, 10459228, 11263784, 12470618, 18303649, 20918456, 22527568, 24941236, 36607298, 41836912, 43647163, 45055136, 49882472, 73214596, 81059017, 83673824, 87294326, 99764944, 146429192, 162118034, 174588652, 199529888, 292858384, 324236068, 349177304, 567413119, 585716768, 648472136, 698354608, 1134826238, 1296944272, 1396709216, 2269652476, 2593888544, 4539304952, 9078609904, 18157219808]

約数ペア:

[(1, 18157219808), (2, 9078609904), (4, 4539304952), (7, 2593888544), (8, 2269652476), (13, 1396709216), (14, 1296944272), (16, 1134826238), (26, 698354608), (28, 648472136), (31, 585716768), (32, 567413119), (52, 349177304), (56, 324236068), (62, 292858384), (91, 199529888), (104, 174588652), (112, 162118034), (124, 146429192), (182, 99764944), (208, 87294326), (217, 83673824), (224, 81059017), (248, 73214596), (364, 49882472), (403, 45055136), (416, 43647163), (434, 41836912), (496, 36607298), (728, 24941236), (806, 22527568), (868, 20918456), (992, 18303649), (1456, 12470618), (1612, 11263784), (1736, 10459228), (2821, 6436448), (2912, 6235309), (3224, 5631892), (3472, 5229614), (5642, 3218224), (6448, 2815946), (6944, 2614807), (11284, 1609112), (12896, 1407973), (22568, 804556), (45136, 402278), (90272, 201139)]