18319574

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 37158912

約数和(自身を除く): 18839338

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 191, 217, 221, 238, 382, 403, 434, 442, 527, 806, 1054, 1337, 1547, 2483, 2674, 2821, 3094, 3247, 3689, 4966, 5642, 5921, 6494, 6851, 7378, 11842, 13702, 17381, 22729, 34762, 41447, 42211, 45458, 47957, 76973, 82894, 84422, 95914, 100657, 153946, 201314, 295477, 538811, 590954, 704599, 1077622, 1308541, 1409198, 2617082, 9159787, 18319574]

約数ペア:

[(1, 18319574), (2, 9159787), (7, 2617082), (13, 1409198), (14, 1308541), (17, 1077622), (26, 704599), (31, 590954), (34, 538811), (62, 295477), (91, 201314), (119, 153946), (182, 100657), (191, 95914), (217, 84422), (221, 82894), (238, 76973), (382, 47957), (403, 45458), (434, 42211), (442, 41447), (527, 34762), (806, 22729), (1054, 17381), (1337, 13702), (1547, 11842), (2483, 7378), (2674, 6851), (2821, 6494), (3094, 5921), (3247, 5642), (3689, 4966)]