19204934

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 38154240

約数和(自身を除く): 18949306

約数列:

[1, 2, 7, 14, 17, 19, 31, 34, 38, 62, 119, 133, 137, 217, 238, 266, 274, 323, 434, 527, 589, 646, 959, 1054, 1178, 1918, 2261, 2329, 2603, 3689, 4123, 4247, 4522, 4658, 5206, 7378, 8246, 8494, 10013, 16303, 18221, 20026, 29729, 32606, 36442, 44251, 59458, 70091, 72199, 80693, 88502, 140182, 144398, 161386, 309757, 505393, 564851, 619514, 1010786, 1129702, 1371781, 2743562, 9602467, 19204934]

約数ペア:

[(1, 19204934), (2, 9602467), (7, 2743562), (14, 1371781), (17, 1129702), (19, 1010786), (31, 619514), (34, 564851), (38, 505393), (62, 309757), (119, 161386), (133, 144398), (137, 140182), (217, 88502), (238, 80693), (266, 72199), (274, 70091), (323, 59458), (434, 44251), (527, 36442), (589, 32606), (646, 29729), (959, 20026), (1054, 18221), (1178, 16303), (1918, 10013), (2261, 8494), (2329, 8246), (2603, 7378), (3689, 5206), (4123, 4658), (4247, 4522)]