19984146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2153}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 52109568

約数和(自身を除く): 32125422

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2153, 3094, 4306, 4641, 6459, 9282, 12918, 15071, 27989, 30142, 36601, 45213, 55978, 73202, 83967, 90426, 109803, 167934, 195923, 219606, 256207, 391846, 475813, 512414, 587769, 768621, 951626, 1175538, 1427439, 1537242, 2854878, 3330691, 6661382, 9992073, 19984146]

約数ペア:

[(1, 19984146), (2, 9992073), (3, 6661382), (6, 3330691), (7, 2854878), (13, 1537242), (14, 1427439), (17, 1175538), (21, 951626), (26, 768621), (34, 587769), (39, 512414), (42, 475813), (51, 391846), (78, 256207), (91, 219606), (102, 195923), (119, 167934), (182, 109803), (221, 90426), (238, 83967), (273, 73202), (357, 55978), (442, 45213), (546, 36601), (663, 30142), (714, 27989), (1326, 15071), (1547, 12918), (2153, 9282), (3094, 6459), (4306, 4641)]